524,959 VAN KEEP PIETER A. /red./ Estrogens in the post-menopause. Workshop Conference in Geneva, October 24-25, 1974. Sponsored by the International Health Foundation, Geneva. Vol. ed.: Pieter A. Van Keep. Christian Lauritzen. Basel 1975 S. Karger 8° s. VIII, nlb. 2, 233, nlb. 1, ilustr. Frontiers of Hormone Research Vol. 3.