Twin research. Introduction.
Bryan
Elizabeth
E
Higgins
Ronald
R
D000022:Abortion, Spontaneous; D001601:Bereavement; D004200:Diseases in Twins; D005260:Female; D005313:Fetal Death; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D011247:Pregnancy; D011272:Pregnancy, Multiple; D012106:Research; D012307:Risk Factors; D013398:Sudden Infant Death; D018433:Twin Studies as Topic