PT - JOURNAL ARTICLE ED - , TI - Go Play…But Please Be Careful! AID - 10.1542/gr.39-1-8 DP - 2018 Jan 01 TA - AAP Grand Rounds PG - 8--8 VI - 39 IP - 1 4099 - http://aapgrandrounds.aappublications.org/content/39/1/8.short 4100 - http://aapgrandrounds.aappublications.org/content/39/1/8.full SO - AAP Grand Rounds2018 Jan 01; 39