Monozygotic and dizygotic twin birth frequencies in the U.S. population.
STANDSKOV
H H
HH
EDELEN
E W
EW
D005260:Female; D006801:Humans; D036801:Parturition; D014427:Twins / Q000706:statistics & numerical data*; D014429:Twins, Dizygotic; D014481:United States
TWINS/statistics