The Biology of the blastocyst / Edited by R. J. Blandau. Blandau, Richard J., ed. Blastocyst Congresses. Ovum implantation Congresses. QL951 .B56 599 BLB Papers of a symposium held July, 1969, at Lake Wilderness, Wash. Includes bibliographies. Chicago: University of Chicago Press; c1971 c1971 1971 Text xiii, 560 p.: eng