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EJ Susman, RM Houts, L Steinberg… - … of pediatrics & …, 2010 - jamanetwork.com

Longitudinal development of secondary sexual characteristics in girls and boys between ages 9½ and 15½ years.

STEM and boys

Houts, Steinberg

GSID: wFXIcimSgoUJ

Excerpt

… than white boys. Black and white boys completed genital development in approximately 4½ years, but black boys took approximately 6 months longer than white boys to complete pubic …

Cited by

Palmert MR.
MR Palmert, L Dunkel - N Engl j Med, 2012 - Mass Medical Soc
GSID: IJnsNww6woQJ