Use of bicycle helmets.
Logsdon
M C
MC
D001642:Bicycling; D002648:Child; D002675:Child, Preschool; D006259:Craniocerebral Trauma / Q000517:prevention & control; D006260:Head Protective Devices; D006293:Health Promotion; D006801:Humans; D007223:Infant; D007629:Kentucky; D010371:Pediatric Nursing; D012449:Safety