1. Health services research: a historical perspective Publication: Bethesda, Md. : National Library of Medicine, 2000 Subject(s): Health Services Research -- historyUnited States
2. Lymphatic filariasis: hope for a better life Publication: Washington, DC : Public Health Foundation, 2000 Subject(s): Elephantiasis, Filarial -- therapyElephantiasis, Filarial -- prevention & control