DOES ASCERTAINMENT BIAS CONTRIBUTE TO THE REPORTED ASSOCIATION OF OMPHALOCELE AND GASTROSCHISIS WITH OTHER BIRTH-DEFECTS IN FAMILIES BUT NOT IN INDIVIDUALS - REPLY
P. Yang et al., DOES ASCERTAINMENT BIAS CONTRIBUTE TO THE REPORTED ASSOCIATION OF OMPHALOCELE AND GASTROSCHISIS WITH OTHER BIRTH-DEFECTS IN FAMILIES BUT NOT IN INDIVIDUALS - REPLY, American journal of medical genetics, 47(3), 1993, pp. 436-436