PT - JOURNAL ARTICLE ED - , TI - Secular Trend for Earlier Onset of Peak Height Velocity in Boys AID - 10.1542/gr.42-6-69 DP - 2019 Dec 01 TA - AAP Grand Rounds PG - 69--69 VI - 42 IP - 6 4099 - http://aapgrandrounds.aappublications.org/content/42/6/69.short 4100 - http://aapgrandrounds.aappublications.org/content/42/6/69.full SO - AAP Grand Rounds2019 Dec 01; 42