TI - PLayground-related injuries in preschool-aged children—united states, 1983-1987 PT - JOUR DP - 1989 TA - American Journal of Diseases of Children pages = {125-126}, VI - 143 IP - 1 AID - 10.1001/archpedi.1989.02150130135035 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.1989.02150130135035 SO - American Journal of Diseases of Children January 1, 1989 143(1):125