1. Transforming data;Bland;British Medical Journal,1996
2. Social and environmental factors and life expectancy, infant mortality, and maternal mortality rates: results of a cross-national comparison;Hertz;Social Science and Medicine,1994
3. 3 International Labour Organization (1997) International Labour Conventions and Recommendations 1919-91, II (1963-91). Convention, 149: Nursing Personnel Convention, Articles 1-8. International Labour Organization, Geneva.
4. 4 Petros-Barvazian A. (1991) Maternal Mortality: A Global Factbook (Foreword). World Health Organization, Geneva.
5. Invisible nursing: exploring health outcomes at a global level. Relationships between infant and under 5 mortality rates and the distribution of health professionals, GNP per capita, and female literacy;Robinson;Journal of Advanced Nursing,2000