677 congenitally malformed infants and associated gestational characteristics. II. Parental factors.
WORCESTER
J
J
STEVENSON
S S
SS
RICE
R G
RG
D000013:Congenital Abnormalities; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases; D010290:Parents; D011247:Pregnancy