1. Chromosome studies on women using oral and injectable contraceptive drugs;Badr;Med. J. Cairo Univ.,1972
2. The Handling of Chromosomes;Darlington,1962
3. Cytological effects of two contraceptives;Kabarity;Genetika,1967
4. Cytogenetic studies on women using oral contraceptive and their progeny;McQuarrie;Am. J. Obstet. Gynecol.,1970