Halstead, S. B. creator Walsh, J. A. Warren, K. S. ENG 248p. Proceedings of a conference held at the Bellgaio Conference Center, Bellagio, Italy, April 29-May 3, 1985, sponsored by The Rockefeller Foundation. Developing countries Economics HealthServices Research Infant Mortality Population Control Social change Demography Family Planning Services Health planning Mortality Population Population Dynamics Program Evaluation Congresses NLM 20241108112152.0