Delayed fusion of amnion and chorion: a possible association with trisomy 21.
Appelman
Z
Z
Zalel
Y
Y
Fried
S
S
Caspi
B
B
D000328:Adult; D000650:Amnion / Q000002:abnormalities* / Q000000981:diagnostic imaging; D002823:Chorion / Q000002:abnormalities* / Q000000981:diagnostic imaging; D004314:Down Syndrome / Q000209:etiology*; D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging*; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal