AU - Jackson BT TI - APproach to fetal research—present and future PT - JOUR DP - 1969 TA - American Journal of Diseases of Children pages = {812-816}, VI - 118 IP - 6 AID - 10.1001/archpedi.1969.02100040814002 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.1969.02100040814002 SO - American Journal of Diseases of Children December 1, 1969 118(6):812