Reproductive health interventions: which ones work and what do they cost? - Dayaratna, Varuni Autoría 27488; Winfrey, William Autor 27117; McGreevey, William Autor 27489; Hardee, Karen Autora 27479; Smith, Janet Autora 27487; Mumford, Elizabeth Autora 27492; Sine, Jefrey Autor 27493; Berg, Ruth Autora 27494 (Washington D. C., US: The Policy Project, 2000)