1. United Nations. World population monitoring 2001: population, environment and development. [
online
], (United Nations, New York, 2001).
2. United Nations. World urbanization prospects: the 2001 revision. Data, tables and highlights. [
online
], (United Nations, New York, 2002).
3. Omran, A. R. The epidemiologic transition theory revisited thirty years later. World Health Stat. Q. 51, 99–199 (1998).
4. Omran, A. R. Epidemiologic transition: a theory of the epidemiology of population change. Milbank Mem. Fund Q. 49, 509–538 (1971).
5. Omran, A. R. Epidemiologic transition: a preliminary update. J. Trop. Pediatr. 29, 305–316 (1983).