Proceedings of the IV European Sterility Congress, October, 5-8, 1975, Madrid, Spain Editors, J. Cortes-Prieto, K. Semm. - Madrid: Puerto de Bermeo, 1978. - 595 p.: ill.; 25 cm. ISBN: 8485524004 Subjects--Topical Terms: Endometrium--Congresses.Fertility--Congresses.Reproduction--Congresses.Steriligy--Congresses.