Twin-to-twin transfusion: cause of increased pulmonary vasculature in the newborn.
D003097:Collateral Circulation; D005260:Female; D005330:Fetofetal Transfusion / Q000150:complications*; D006400:Hematocrit; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011652:Pulmonary Circulation; D014430:Twins, Monozygotic