Early twin amniocentesis prior to 14 weeks' gestation.
Shulman
L P
LP
Elias
S
S
Phillips
O P
OP
Dungan
J S
JS
Grevengood
C
C
Simpson
J L
JL
D000649:Amniocentesis / Q000379:methods*; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014427:Twins