1. Fertility and family planning surveys: an update;Popul Rep M,1985
2. Developing new contraceptives: obstacles and opportunities;Mastroianni,1990
3. After contraception: dispelling rumors about later child bearing;Popul Rep J,1984
4. A study of event rates of intrauterine devices over a two year period;Bisset;Br J Fam Plann,1987
5. A comparative study of the acceptability of the inert and copper-containing IUD's;Manuilova;Akush Ginekol (Mosk),1988