Progesterone and the defence mechanism of pregnancy / editors: G. E.W. Wolstenholme and Margaret P. Cameron - Boston : J & A Churchill , 1961 - 108 p. : ill. ; 19 cm. Subjects--Personal Names: Corner, George Washington, 1889- [from old catalog] Subjects--Topical Terms: Pregnancy--CongressesProgesterone--CongressesLabor (Obstetrics)--Congresses