- ►bmj.com A Alkon, DR Ragland, JM Tschann, JL … - British Medical Journal, 2000 - injuryprevention.bmj.com Methods—A two year prospective study of 360 preschool children, ages 2–6
years, was conducted in four urban child care centers. Composite scores for
center quality and physical safety were derived from on-site observations, ... Cited by 8 - Related articles - BL Direct - All 7 versions
A Alkon, JL Genevro, JM Tschann, P Kaiser, … - Archives of Pediatrics and Adolescent Medicine, 1999 - Am Med Assoc Results During the 2 years of the study, 1886 injuries were reported. The mean
and median child injury rate was 6 and 4 injuries per 2000 exposure hours
(equivalent to 1 full-time child care year), respectively. The majority of ... Cited by 14 - Related articles - All 5 versions