Population-based study of sex proportion in monoamniotic twins.
Derom
C
C
Vlietinck
R
R
Derom
R
R
Van den Berghe
H
H
Thiery
M
M
D000650:Amnion; D002823:Chorion; D005260:Female; D006801:Humans; D008297:Male; D012744:Sex Ratio; D014427:Twins; D014430:Twins, Monozygotic