Progesterone and the defence mechanism of pregnancy : in honour of Dr. G. W. Corner. Editors for the Ciba Foundation: G.E.W. Wolstenholme and Margaret P. Camero Ciba Foundation, Study Group No-9 Wolstenholme, G.E.W., ed. Cameron, Margaret P., ed. Pregnancy -- Congresses. 612.6303 CIP Includes index. London : J & A Churchill, c1961. c1961. 1961 Text viii, 108 p. : eng