一般注記 |
His Anomalies of the fetal head, neck, and neural axis, 1988: CIP t.p. (Frank A. Chervenak, M.D., direc. of ultrasound & ethics; assoc. prof. of obs. & gynecol., New York Hosp., Cornell Med. Center) His Ultrasound screening for fetal anomalies, is it worth it? : screening revisited after the Eurofetus data, 1998 (Salvator Levi and Frank A. Chervenak)
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