1. Human Milk in the Modern World;Jelliffe,1978
2. The contraceptive effect of breast-feeding;Simpson-Hebert;Stud. Family Plann.,1981
3. Breast-feeding and morbidity in industrialized countries: an update;Cunningham,1981
4. Breast-feeding and women's work: constraints and opportunities;Van Esterik;Stud. Family Plann.,1981
5. Breast-feeding practices among urban women in Nigeria;Di Domenico,1979