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is a significant concern for physicians. Central- J7 l1 b6 H8 B; j3 @/ p q9 B+ u" N+ E
precocious puberty (CPP), which is mediated' t5 d: r: V, P7 \0 u3 `" D
through the hypothalamic pituitary gonadal axis, has
' Q% l$ e" z) V1 F; Y( va higher incidence of organic central nervous system
0 Q( W/ M% G0 o$ S( Vlesions in boys.1,2 Virilization in boys, as manifested+ I; `* k3 j6 _2 [ g
by enlargement of the penis, development of pubic
+ L8 j" m- e, a- z" Hhair, and facial acne without enlargement of testi-, E- I9 v6 v1 L$ Q8 W- D" o
cles, suggests peripheral or pseudopuberty.1-3 We
1 x$ ]$ O! X/ |: _report a 16-month-old boy who presented with the8 t/ x: C6 ^& W' m# B
enlargement of the phallus and pubic hair develop-4 m6 `$ s, ~! K, J8 ^7 x
ment without testicular enlargement, which was due. o1 p1 F0 r+ k: `( j
to the unintentional exposure to androgen gel used by
9 ]. Z4 }1 m* \- { othe father. The family initially concealed this infor-
9 G. C1 d+ T$ j3 Q& c( M7 y; Mmation, resulting in an extensive work-up for this( o y8 _% g3 U: ^6 K
child. Given the widespread and easy availability of
& ^6 i5 y* h. G: k) ptestosterone gel and cream, we believe this is proba-6 G) E. C- N: a1 e. ]
bly more common than the rare case report in the
1 ?3 x5 t$ ^+ {4 Eliterature.4
5 R0 T7 {& y/ _; q8 ?Patient Report! b! `& o3 H% i% q1 [
A 16-month-old white child was referred to the
- B9 K, M5 h: F( M2 Iendocrine clinic by his pediatrician with the concern
% ^2 c {) n) m2 B7 J6 Z mof early sexual development. His mother noticed3 X# y+ z B& N4 \
light colored pubic hair development when he was
6 G4 V' F* M! G7 d6 vFrom the 1Division of Pediatric Endocrinology, 2University of# y( T3 F P- X" g, l
South Alabama Medical Center, Mobile, Alabama.
; D( ]( Z' e6 }4 L' `) b( i, x9 {Address correspondence to: Samar K. Bhowmick, MD, FACE,2 z# c: Q9 e+ P/ Q
Professor of Pediatrics, University of South Alabama, College of4 G ?7 y" _4 ~4 ~' f6 M' m5 O
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;# ^ H7 C; h, s7 s+ M
e-mail: [email protected]. i) Q# Y" g+ a- h
about 6 to 7 months old, which progressively became9 g$ ^- x! P$ i3 a) n/ j
darker. She was also concerned about the enlarge-+ V( q1 N' I# G) v( v5 M
ment of his penis and frequent erections. The child
- l- H( o: y* f& J( L* j. }was the product of a full-term normal delivery, with& }5 a: Q+ y8 r' P' \; n
a birth weight of 7 lb 14 oz, and birth length of9 K7 @! Z; z. Q- d4 @7 ?( Q
20 inches. He was breast-fed throughout the first year4 ~ w: ~3 C7 W. b5 S% A
of life and was still receiving breast milk along with
6 W- J& ]8 T4 ~solid food. He had no hospitalizations or surgery,
. V$ E# b# z% J! {% ^' [and his psychosocial and psychomotor development
8 B6 c" x1 @+ o8 o! Z( mwas age appropriate.
& ?! w; ^; N: r- m; }8 `$ d* p KThe family history was remarkable for the father,3 p) u3 a* @# K9 l) u. y& P% @# _
who was diagnosed with hypothyroidism at age 16,( ^8 l- [! b: J/ D6 O( V" D
which was treated with thyroxine. The father’s
' Q( C+ l; z/ theight was 6 feet, and he went through a somewhat
5 ~" U+ a1 p! n0 i" r8 t0 Y( S" ^early puberty and had stopped growing by age 14.* @3 A5 _( r! u( f/ a. i* ^+ y5 k
The father denied taking any other medication. The- U2 O, S% \* U
child’s mother was in good health. Her menarche$ M+ D6 g& `5 A( {: _
was at 11 years of age, and her height was at 5 feet9 Y0 f% d- s3 P6 T6 e8 p
5 inches. There was no other family history of pre-
& Z$ Y9 v" M6 Q8 o% ^! o, s& ]8 Lcocious sexual development in the first-degree rela-2 I) s# G- B! Y! z
tives. There were no siblings.
1 ?6 \. l" h5 rPhysical Examination
& h! Q1 P* w$ z* h, `/ PThe physical examination revealed a very active,. c! z+ x p" ^. l) ^7 t p
playful, and healthy boy. The vital signs documented
9 g5 j- N) ]; E& w4 @a blood pressure of 85/50 mm Hg, his length was, E8 e Z3 W& y& {$ c. s
90 cm (>97th percentile), and his weight was 14.4 kg
5 B# \! N& h) Q" E(also >97th percentile). The observed yearly growth) d" E6 n* H) G( p7 @ d H
velocity was 30 cm (12 inches). The examination of$ l ~: g5 K( k/ P8 h' G
the neck revealed no thyroid enlargement.
, S& t% v! Z8 j0 L7 |/ l5 K% x QThe genitourinary examination was remarkable for
5 g. X$ \' o6 c0 R. Y$ W* venlargement of the penis, with a stretched length of2 m+ Q$ S" _ \- `% p" m; [% w; [+ a
8 cm and a width of 2 cm. The glans penis was very well
9 K ~* K% ^$ _3 p+ ?) u- @" Y1 Pdeveloped. The pubic hair was Tanner II, mostly around
4 c! z- T4 }% m& K540& L" c) f/ \ [8 ?
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from7 ?/ G' A- n1 f
the base of the phallus and was dark and curled. The" {9 o1 _7 X ]! Q0 D
testicular volume was prepubertal at 2 mL each.; r6 h# C* L) H) |5 I% S7 I
The skin was moist and smooth and somewhat4 v* G( C3 H8 z2 ]5 i
oily. No axillary hair was noted. There were no
8 _0 x) X! r( X" s- w+ m1 Nabnormal skin pigmentations or café-au-lait spots.4 q( U9 [: N3 m7 C* A: e* w
Neurologic evaluation showed deep tendon reflex 2+3 W5 m) ]9 V. x0 M2 @: w' J% ~
bilateral and symmetrical. There was no suggestion, o$ d5 H* O' N6 l0 C$ ~
of papilledema.
' n1 e [# O$ h' |% N, j! r) cLaboratory Evaluation# C7 P# @2 ?3 j9 F
The bone age was consistent with 28 months by
; ~# M8 v# S7 p! ?2 J; Dusing the standard of Greulich and Pyle at a chrono-
' S0 L. A* S. K8 a h0 [7 r/ Klogic age of 16 months (advanced).5 Chromosomal$ a. j) M6 q t+ n1 x; R
karyotype was 46XY. The thyroid function test: h. H/ o" W0 y( B! a
showed a free T4 of 1.69 ng/dL, and thyroid stimu-- A; y" E a, s) R, f. c+ E, p
lating hormone level was 1.3 µIU/mL (both normal).- X0 V, d# m* x* [" y$ b6 w
The concentrations of serum electrolytes, blood
$ o- Q' @! I% p# @1 ]: R, Vurea nitrogen, creatinine, and calcium all were
5 W+ P) g5 j/ uwithin normal range for his age. The concentration: n3 K6 h/ O: c/ l8 o' z9 s+ P
of serum 17-hydroxyprogesterone was 16 ng/dL
( b' X% V0 \7 N7 z& M( z(normal, 3 to 90 ng/dL), androstenedione was 20
5 N4 H+ c j; \, h' H8 P* ?ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-) o! I% S4 P6 m h5 M# J, ]
terone was 38 ng/dL (normal, 50 to 760 ng/dL),
k2 C' K' T) Q4 w0 |4 ?5 odesoxycorticosterone was 4.3 ng/dL (normal, 7 to ^6 F" |% P) P1 U! F- S7 m
49ng/dL), 11-desoxycortisol (specific compound S); M6 d: b/ b$ M8 Q* H( L' p! ]
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-9 M2 o/ M m7 |* Y1 W1 E; Q
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
3 n3 E6 S# l8 j, dtestosterone was 60 ng/dL (normal <3 to 10 ng/dL),8 q! |$ O9 d* K2 l3 {
and β-human chorionic gonadotropin was less than
( }5 e; z0 E; {6 a) T: f5 mIU/mL (normal <5 mIU/mL). Serum follicular& N$ y0 k' s# `0 y* K- L4 f8 {) [
stimulating hormone and leuteinizing hormone* [9 h( a9 P' H3 o7 T; N
concentrations were less than 0.05 mIU/mL& Y1 i* s5 s3 X6 F# p# V5 }6 H9 X
(prepubertal).4 r, d1 W8 r- W
The parents were notified about the laboratory1 \7 Y$ p1 U: L& m
results and were informed that all of the tests were" Y3 m5 H. A# ]! |) z
normal except the testosterone level was high. The
7 d) y2 Y4 D0 K. S4 o* Z$ V4 ?follow-up visit was arranged within a few weeks to. Q7 m0 O0 `8 {4 S6 S# h0 ]
obtain testicular and abdominal sonograms; how-
+ ]" ~/ J8 c# i& A! ~9 o& O/ Rever, the family did not return for 4 months.. c4 H$ \0 N( b$ p+ j; H* z
Physical examination at this time revealed that the
, b( o% T0 m5 `# \* q( [child had grown 2.5 cm in 4 months and had gained
5 v2 p( w: i, A+ n# u2 kg of weight. Physical examination remained
1 v5 C+ V3 H5 Y, z# r7 Xunchanged. Surprisingly, the pubic hair almost com-
0 x" C' ~" |8 `! f7 I, Y* kpletely disappeared except for a few vellous hairs at
9 q5 B7 z! A' Z( S* P" {* fthe base of the phallus. Testicular volume was still 2
" v( |+ x9 y) Z9 }3 zmL, and the size of the penis remained unchanged.
, p: _2 `/ @- ~: O3 TThe mother also said that the boy was no longer hav-
. C4 p5 M/ N) W4 T3 ring frequent erections.3 ~* P! k7 L! Z( H! u( H
Both parents were again questioned about use of
$ t0 t" w; t- Cany ointment/creams that they may have applied to
% L6 u7 m C* }1 K' |the child’s skin. This time the father admitted the
. x2 l2 Z/ q$ G3 t d% [; JTopical Testosterone Exposure / Bhowmick et al 5418 o& F$ d8 t4 v7 x& B
use of testosterone gel twice daily that he was apply-
$ a7 T, ]. @; s( I& k# king over his own shoulders, chest, and back area for
$ Q; D) h) ?5 ka year. The father also revealed he was embarrassed. c# H1 B% b s0 [, n% i
to disclose that he was using a testosterone gel pre-
$ _7 t) I3 A1 [% F4 y8 ]scribed by his family physician for decreased libido4 Z+ D9 N: ^2 b8 K
secondary to depression.+ O% y& W: N7 L0 W2 B
The child slept in the same bed with parents.
+ z% L$ ^1 c' G! hThe father would hug the baby and hold him on his
5 p! M1 Q- E Cchest for a considerable period of time, causing sig-4 S7 A& @- I4 H& u' d6 ?; e
nificant bare skin contact between baby and father.
9 d2 E! ~+ z# j J( c# T1 CThe father also admitted that after the phone call,* b7 O, w# @* |* l; R
when he learned the testosterone level in the baby4 ~4 [: u! E! v9 z: U: X
was high, he then read the product information4 O3 U! {3 J) T& m- F4 J$ i3 o
packet and concluded that it was most likely the rea-' P2 w+ I' K9 ^( d! h8 k8 w
son for the child’s virilization. At that time, they6 t# `, y U) e; `
decided to put the baby in a separate bed, and the
: E- ~6 x; h0 d+ z; ~6 V$ b! Lfather was not hugging him with bare skin and had0 e/ p* Q) M2 O! u" L
been using protective clothing. A repeat testosterone0 B# N. ^" D3 d% ^7 k1 e, @) I5 N
test was ordered, but the family did not go to the
- S6 l! X# j3 w( y: h; U" ~1 V( e+ o5 glaboratory to obtain the test.6 Q: ]/ N% u9 {4 h1 I
Discussion
. [# G, }- k) X' I# ^% C5 @" pPrecocious puberty in boys is defined as secondary
5 o7 L' n% M9 X6 ^3 S9 R; {* c0 dsexual development before 9 years of age.1,4& h# x5 x1 U' U; q
Precocious puberty is termed as central (true) when
2 `9 h9 E7 i+ J1 C3 a6 cit is caused by the premature activation of hypo-
' ]6 H% ^2 Y3 h1 Ethalamic pituitary gonadal axis. CPP is more com-0 a6 q. p' t0 J0 {: J
mon in girls than in boys.1,3 Most boys with CPP
, p3 X. o7 l) A+ Q' k+ @may have a central nervous system lesion that is; g$ K& P' C" `0 R) N# V* }1 {9 ]
responsible for the early activation of the hypothal-' ]1 k& N6 |* }) y0 Y
amic pituitary gonadal axis.1-3 Thus, greater empha-
0 J( A; d9 h2 W8 j0 ^; c& N; Osis has been given to neuroradiologic imaging in
4 w% C& Y: c- dboys with precocious puberty. In addition to viril-3 C( x9 u" m% o, A; m
ization, the clinical hallmark of CPP is the symmet-
c4 q9 j& H6 a9 brical testicular growth secondary to stimulation by
8 u% B# e8 w9 K! I3 p8 Z/ @/ sgonadotropins.1,3
) O1 e0 K- g, c' \" K& N# C$ ^Gonadotropin-independent peripheral preco-
$ W- u7 I; ]0 }( Y+ fcious puberty in boys also results from inappropriate$ r7 Z! I' V# I+ ?7 u" ?
androgenic stimulation from either endogenous or/ d4 z5 k6 ^9 q5 U* W
exogenous sources, nonpituitary gonadotropin stim-, r8 C% z8 f8 A* J3 m
ulation, and rare activating mutations.3 Virilizing
2 h" w! U5 _8 L, D1 Bcongenital adrenal hyperplasia producing excessive
% E3 |; A& s0 \+ L* Z; kadrenal androgens is a common cause of precocious8 z/ e' T Y0 a7 g# c
puberty in boys.3,4& b* D4 y+ ` H) T$ y, W3 i
The most common form of congenital adrenal
8 Q+ C) j( F0 t% I: E/ j6 Ehyperplasia is the 21-hydroxylase enzyme deficiency.. Q% h3 d+ v9 i6 u# I% _
The 11-β hydroxylase deficiency may also result in+ b. G6 F: {+ E+ [) d
excessive adrenal androgen production, and rarely,
. S# [! |8 t0 L0 \4 _ t; _an adrenal tumor may also cause adrenal androgen
. ~8 U& d) H; {* x3 x* Pexcess.1,3
; Z4 M* ]3 M8 r4 }at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from# g3 a; X% y& F
542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
1 P3 D% t) Y% q6 E: S* |A unique entity of male-limited gonadotropin-4 {) ^+ V) }1 |* s) N! e
independent precocious puberty, which is also known- H. w0 F2 N6 y* Z2 s# v. P' y
as testotoxicosis, may cause precocious puberty at a
7 {4 M) {, V; d3 p) O% {very young age. The physical findings in these boys% _& }" r/ C. t0 m6 E
with this disorder are full pubertal development,
( x, H, j9 f! U6 `8 Eincluding bilateral testicular growth, similar to boys& \" H+ C* G" P+ C/ ]
with CPP. The gonadotropin levels in this disorder% ?" D! y# k$ l
are suppressed to prepubertal levels and do not show
9 V/ r5 P% m# _5 Spubertal response of gonadotropin after gonadotropin-
u, h* i" Q8 J: q& Mreleasing hormone stimulation. This is a sex-linked
: U9 ^# y6 q% O/ a2 j; Wautosomal dominant disorder that affects only& R$ p; U: F9 y0 Y I& S4 @: \
males; therefore, other male members of the family0 P! |0 |8 W. m& i- V
may have similar precocious puberty.3
% s7 o1 [% }6 g; P |5 vIn our patient, physical examination was incon- }4 v4 _: `; v: A8 y: g
sistent with true precocious puberty since his testi- P; c5 q5 L( Q) W: V4 t r
cles were prepubertal in size. However, testotoxicosis7 V- O. t/ m2 E9 W" n
was in the differential diagnosis because his father
% j' z- X- N6 d3 Y1 M' r2 |/ ]# q6 d3 mstarted puberty somewhat early, and occasionally,
S2 M# B$ A9 I2 ftesticular enlargement is not that evident in the
$ {( \2 G) z& D$ d8 \3 Z% Kbeginning of this process.1 In the absence of a neg-5 w T& @9 C* C% F, D8 p
ative initial history of androgen exposure, our
: g/ I+ t' v) Cbiggest concern was virilizing adrenal hyperplasia,
; U5 X2 g1 u1 seither 21-hydroxylase deficiency or 11-β hydroxylase& J6 O+ @9 h8 F j6 |4 }, C
deficiency. Those diagnoses were excluded by find-
' F1 P# G& j& ?7 l' R' Ming the normal level of adrenal steroids.
6 i1 L& C+ [6 O g ZThe diagnosis of exogenous androgens was strongly
; b4 u4 c! K- N) Vsuspected in a follow-up visit after 4 months because' Q+ G9 T- p/ T3 b# Y
the physical examination revealed the complete disap-* V6 ~# y, }$ D; L3 r0 u) z- S# k
pearance of pubic hair, normal growth velocity, and
a' P* M$ z6 Rdecreased erections. The father admitted using a testos-- u+ F5 `5 w7 Y- E
terone gel, which he concealed at first visit. He was# F) y$ }2 k: l/ R' J& b
using it rather frequently, twice a day. The Physicians’
0 w, ` v4 x: D0 O& m0 N: g& C$ X& m8 IDesk Reference, or package insert of this product, gel or
/ k4 O7 Q2 m( K% e& xcream, cautions about dermal testosterone transfer to
8 d( |2 A+ o1 B( G ^unprotected females through direct skin exposure.+ w! ?+ q' I/ p( r( g: Y+ q
Serum testosterone level was found to be 2 times the% h( N9 t( F/ U2 E$ p
baseline value in those females who were exposed to" \+ o# m/ E$ Z8 c* N; I, ~' C. K
even 15 minutes of direct skin contact with their male
4 ~6 W( r" M1 M* Zpartners.6 However, when a shirt covered the applica-! @) F$ f X0 C ^& @( g! H0 D
tion site, this testosterone transfer was prevented.- D/ ]& I/ }; M2 b9 |7 K h- M2 T
Our patient’s testosterone level was 60 ng/mL,
4 V$ x y# X/ D4 \/ ?0 Mwhich was clearly high. Some studies suggest that
. S a L( c- T8 o5 r( x- Qdermal conversion of testosterone to dihydrotestos-9 N% T: q% N! C& j2 a+ a
terone, which is a more potent metabolite, is more& m0 b% `& B& H0 c8 z& z. C: w
active in young children exposed to testosterone
" z( K& G4 z* F& I, H( ?- e* Qexogenously7; however, we did not measure a dihy-0 w" F4 F+ J2 ]4 h7 D) V
drotestosterone level in our patient. In addition to
- M' S* s" @# U1 a, x9 wvirilization, exposure to exogenous testosterone in
' L2 e; ?" F2 X" hchildren results in an increase in growth velocity and
% [) x; r/ Y6 D* ]8 l% |advanced bone age, as seen in our patient.; m `: f# i' Z6 g" N6 k4 O) B$ W% u
The long-term effect of androgen exposure during
* @/ p+ b( {+ ]6 S2 Nearly childhood on pubertal development and final; `7 S( w7 D% L3 \
adult height are not fully known and always remain
9 \! }, d/ w7 @" B& z2 ia concern. Children treated with short-term testos-
. Z8 J* U9 X W o4 S/ G pterone injection or topical androgen may exhibit some
, s$ t, p" }% G' q1 O2 S" cacceleration of the skeletal maturation; however, after
3 f" L# }. p+ @; Y8 h5 ^+ R# v& o9 Jcessation of treatment, the rate of bone maturation
9 w" ^, S: ^! k1 ^9 u0 y( Wdecelerates and gradually returns to normal.8,9; j# k9 s3 B- O/ l9 c
There are conflicting reports and controversy
5 J) I; D6 B1 e) V' @- v' i* H3 [over the effect of early androgen exposure on adult) |( I4 R8 A' r9 |0 B
penile length.10,11 Some reports suggest subnormal
% q% G: |, d( F [; hadult penile length, apparently because of downreg-- ^$ N$ ]# F3 @1 H7 l! z& Z
ulation of androgen receptor number.10,12 However,
4 q+ i1 }8 K; pSutherland et al13 did not find a correlation between+ {( H) j. w* ] E! g6 ?8 X9 T
childhood testosterone exposure and reduced adult
* j! O3 J u- l- o( d6 V$ A4 Z7 |penile length in clinical studies.
0 N1 a( b9 W+ A" s. N8 `* X! V eNonetheless, we do not believe our patient is
_/ g+ `: R/ N) ^going to experience any of the untoward effects from \% A' B$ v e0 ^
testosterone exposure as mentioned earlier because
7 p" f' b/ ?7 k+ |the exposure was not for a prolonged period of time.6 M( e3 V, {, H; R9 B
Although the bone age was advanced at the time of( y$ K, X& Y1 o* M
diagnosis, the child had a normal growth velocity at
! ?: n5 R B. e& e* C9 Qthe follow-up visit. It is hoped that his final adult
9 \- E) B. Z" s0 M; Oheight will not be affected.) [0 v( Z$ R: c4 g3 ?9 r+ r3 ]
Although rarely reported, the widespread avail-
* _$ Z! d, t8 z: q* Xability of androgen products in our society may; \+ H* ]5 K$ i
indeed cause more virilization in male or female
k7 F$ U' a/ Kchildren than one would realize. Exposure to andro-- R' u$ P2 f$ ^- z) J( F
gen products must be considered and specific ques-
6 A2 {3 `8 h6 {5 @; [, M# y0 ~tioning about the use of a testosterone product or# J4 Q# b2 I& O
gel should be asked of the family members during
) @. c+ X# o s7 n) O! uthe evaluation of any children who present with vir-
7 U9 `. V7 M; }! a2 ~) z3 \; `ilization or peripheral precocious puberty. The diag-6 Q0 Q) W! Z% a( ]# j/ \
nosis can be established by just a few tests and by
5 u- o6 {- ^" {4 ~4 h% @appropriate history. The inability to obtain such a
3 [8 e3 Q8 _, g2 a* ?history, or failure to ask the specific questions, may
" `5 C2 O4 n9 K9 ~+ Wresult in extensive, unnecessary, and expensive
) r5 @# Y% F9 j; {investigation. The primary care physician should be
3 i2 s' w" |0 m; K% uaware of this fact, because most of these children
+ v! R8 ]0 ?+ D) Fmay initially present in their practice. The Physicians’
% q% @1 x" G: P8 Y7 oDesk Reference and package insert should also put a
; C3 ?* ~: T5 [# j3 H4 ?4 [warning about the virilizing effect on a male or8 G/ i" j6 \* O% C0 g% o, b
female child who might come in contact with some-2 E1 s# J7 \+ {3 Q
one using any of these products.1 @5 o+ e. ^. {9 [
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. l ]4 ?) i& I- A2002: 565-628." N! ^6 }( p: \% K1 [/ T
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
! I3 A. W& J6 K- n( K3 B9 Xpuberty in children with tumours of the suprasellar pineal7 f' A6 h# ]( N. r* K9 n6 E2 J
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Dekker Inc; 2003:211-238.
* Y/ d, J2 k6 n, {4. Yu YM, Punyasavatsu N, Elder D, D’Ercole AJ. Sexual
% D; ~# }, X+ n+ Wdevelopment in a two-year-old boy induced by topical
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Skeletal Development of the Hand and Wrist. 2nd ed.0 f6 _: X# X( \# \
Stanford, CA: Stanford University Press; 1959.4 w3 b$ z# E' O/ V3 B
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1 C* a0 {4 f$ EEconomics Company, Inc; 2004:3239-3241.# K/ D1 |2 I2 O) M( k. [3 }
7. Klugo RC, Cerny JC. Response of micropenis to topical$ g6 {7 Q7 _' ^9 E5 O/ b; [+ J" _8 s
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