Twin-twin transfusion syndrome--possible roles for Doppler ultrasound and amniocentesis.
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D000649:Amniocentesis; D001163:Arteriovenous Anastomosis / Q000000981:diagnostic imaging / Q000473:pathology; D005260:Female; D005330:Fetofetal Transfusion / Q000000981:diagnostic imaging* / Q000628:therapy; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal