REFERENCES
- Bliss, C. I. & Fisher, R. A. (1953). Fitting the negative binomial distribution to biological data and a note on the efficient fitting of the negative binomial. Biometrics, 9, 176–200.
- Mata, L. (1990). Nutrition and infection. In Tropical and Geographical Medicine, 2nd edn, eds Warren, K. S. & Mahmoud, A. A. F. pp. 174–178. New York: McGraw-Hill.
- Mubarak, M. M., Kazmi, S. I. & Ahmed, S. (1984). Disease pattern in children (a community study). Pakistan Journal of Medical Research, 23, 20–26.
- Parvez, A., Chaudhry, A., Chaudhry, F. M. & Ashfao, M. (1989). Morbidity in urban and rural areas of Faisalabad tehsil. Pakistan Journal of Medical Research, 28, 187–190.
- Suleman, M. (1985). Epidemiology of malaria in Punjab, Pakistan: a case study in a rural community near Lahore. Ph.D. thesis, University of Hawaii, Honolulu.
- Terris, M. (1980). Epidemiology as a guide to health policy. Annual Review of Public Health, 1, 323–344.
- Walsh, J. A. (1990). Estimating the burden of illness in the tropics. In Tropical and Geographical Medicine, 2nd edn, eds Warren, K. S. & Mahmoud, A. A. F. pp. 185–196. New York: McGraw-Hill.
- Wingard, D. L. (1980). The sex differential in mortality rates: biological and social factors. Ph.D. thesis, University of California, Berkeley.
- Wingard, D. L. (1984). The sex differential in morbidity, mortality, and lifestyle. Annual Review of Public Health, 5, 423–458.
- World Health Organization (1977). Manual of the International Classification of Diseases, Injuries, and Causes of Death, 1975 Revision, Vol. 1. Geneva: WHO.
- World Health Organization (1978). Manual of the International Classification of Diseases, Injuries, and Causes of Death, 1975 Revision, Vol. 2. Geneva: WHO.