TY - GEN AU - Largo,R H AU - Prader,A TI - Pubertal development in Swiss boys SN - 0018-022X PY - 1983///1123 KW - Adolescent KW - Age Factors KW - Body Height KW - Child KW - Genitalia, Male KW - growth & development KW - Hair KW - Humans KW - Male KW - Penis KW - Puberty KW - Reference Values KW - Scrotum KW - Sexual Maturation KW - Switzerland KW - Testis N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't ER -