Health informatics in developing countries: experiences and viewpoints : proceedings of the IFIP-IMIA World Congress on Medical Informatics and Developing Countries, Mexico City, Mexico, 7-12 February 1982 - Fernández Pérez de Talens, Antonio 1942-; Fernández Pérez de Talens, Antonio 1942-; Shires, David B.; Shires, David B.; Molino Ravetto, Enzo; Molino Ravetto, Enzo (North Holland, 1983)