1. Low doses of gestagens as fertility regulating agents;Fotherby,1977
2. Contraceptive mechanism of microdose norethindrone;Moghissi;Obstet Gynec,1973
3. Biophysical techniques of assessing cervical mucus and microstructure of cervical epithelium;Odeblad,1972
4. Scanning electron microscopy of cervical mucus: normal menstrual cycle and pregnancy;Daunter;Brit J Obstet Gynaec,1976
5. Daily progestogen for contraception;Martinez-Manautou;Brit Med J,1967