550,704 BLASTOGENESIS Blastogenesis : normal and abnormal : Proceedings of the second International Workshop on Fetal Genetic Pathology Held in Big Sky, Montana, October 12-16, 1991 / ed. John M. Opitz ; assoc, ed. Natalie W. Paul. - New York : A John Wiley and Sons, Inc. , Publ., [1993]. - XX, 403 s. : il. , 24 cm (Birth Defects : Original Article Ser. /March of Dimes Birth Defects Foundation ; vol. 29, nr 1, 1993) ISBN 0-471-59789-9