Double occupancy.
Brown
Haywood L
HL
Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, NC, USA.
Boyd
Brita K
BK
D000328:Adult; D000650:Amnion / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D014430:Twins, Monozygotic; D014463:Ultrasonography