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LANDESMAN, ROBERT M.D., F.A.C.O.G.; BIRON, PIERRE M.D., M.Sc.; CASTELLANOS, ROSENDO M.D.; RUSSA, RITA LA B.A.; WILSON, KATHLEEN H. B.S.
Departments of Obstetrics and Gynecology, New York Hospital—Cornell University Medical College, and the Rockefeller Institute, New York, N. Y.