1. A fifth freedom?;Baird;Br Med J,1965
2. Family planning: its impact on the health of women and children;Maine,1981
3. Maternal mortality in developing countries: an ongoing but neglected 'epidemic';Rosenfield;JAMA,1989
4. Ingredients of recent fertility decline in developing countries;Cutright;Int Fam Plann Perspect,1983
5. Fertility, biology, and behavior: an analysis of the proximate determinants;Bongaarts,1983