TY - BOOK ED - United Nations/World Health Organization Working Group on Data Bases for Measurement of Levels ED - United Nations. TI - Data bases for mortality measurement: papers of the Meeting of the United Nations/World Health Organization Working Group on Data Bases for Measurement of Levels, Trends and Differentials in Mortality, Bangkok, 20-23 October 1981 PY - 1984/// CY - New York PB - United Nations KW - Mortality KW - Data collection KW - Information systems ER -