Ng'walida, Nhandi N. M. Unplanned pregnancies; prevalence, outcome, and contraceptive use, in an urban area in Dar es Salaam; a community based cross-sectional study - Dar es Salaam Dar es Salaam University Press 2001 - xii,64p. 30cm. Subjects--Topical Terms: Public health problem LC Class. No.: THS EAF RC137.4.T34N49