title: The preparation of concentrated antigonadotropic factor (antiprolan).
authors.affiliation: The Laboratory of the Obstetrical-Gynaecological Department of the Rothschild Hadassah Hospital, Jerusalem.
authors.forename: B
authors.initials: B
authors.lastname: Zondek
authors.forename: F
authors.initials: F
authors.lastname: Sulman
authors.forename: A
authors.initials: A
authors.lastname: Hochman