SHEA, P A Bilateral harelip and unilateral harelip with cleft palate in fraternal twins. [electronic resource] - American journal of obstetrics and gynecology Feb 1947 - 340 p. digital Publication Type: Journal Article ISSN: 0002-9378 Standard No.: 10.1016/0002-9378(47)90363-3 doi Subjects--Topical Terms: Cleft LipCleft PalateHumansPregnancy, TwinTwins--abnormalitiesTwins, Dizygotic