AU - Porter TR, Crane LA, Dickinson L, Gannon J, Drisko J, DiGuiseppi C TI - PArent opinions about the appropriate ages at which adult supervision is unnecessary for bathing, street crossing, and bicycling PT - JOUR DP - 2007 TA - Archives of Pediatrics & Adolescent Medicine pages = {656-662}, VI - 161 IP - 7 AID - 10.1001/archpedi.161.7.656 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.161.7.656 SO - Archives of Pediatrics & Adolescent Medicine July 1, 2007 161(7):656