1. Low doses of progestogen as an approach to fertility control;Martinez-Manautou;Fertil. Steril.,1966
2. Daily progestogen for contraception;Martinez-Manautou;Brit. Med. J.,1967
3. Minipill — A limited alternative for certain women;Rinehart;Population Reports Series A,1975
4. Regulation of Human Fertility. Microdose progestogens for contraception;Moghissi,1976
5. Regulation of Human Fertility, Low doses of gestagens as fertility regulating agents. WHO Symposium;Fotherby,1977