00000cam a22000004a 4500 UP-1685523046125003064 Buklod 20230503092606.0 aa r |||| u| ta 071031s xx d r |||| u| 0801620082 (iLib)UPMNL-00000010374 UPMed RC 889 H84 1976 Hafez, E. S. E. (Elsayed Saad Eldin) 1922- Human semen and fertility regulation in men edited by E. S. E. Hafez. Saint Louis Mosby 1976. xviii, 615 p. ill. 28 cm. Bibliography: p. 601-602. Generative organs, Male. Infertility, Male. Semen. Spermatozoa. UPMNL MED RC 889 H84 1976 Book