1. Strategies for Primary Health Care: Technologies Appropriate for the Control of Disease in the Developing World;Walsh,1986
2. District Health Care;Amonoo-Lartson,1984
3. Selective primary health care: an interim strategy for disease control in developing countries;Walsh;Soc. Sci. Med.,1980
4. A quantitative method of assessing the health impact of different diseases in less developed countries;Ghana Health Assessment Project Team;Int. J. Epidemiol.,1981
5. Relative risks, benefits, and costs of intervention;Tugwell,1984