1. Bergström S (1994) The pathology of poverty. In: Lankinen KS, Bergström S, Mäkelä PH, Peltomaa M (Eds) Health and disease in developing countries. Macmillan, London Basingstoke
2. Greenwood AM, Greenwood BM, Bradley AK, Williams K, Shenton FC, Tulloch S, Byass P, Oldfield FSJ (1987) A prospective survey of the outcome of pregnancy in a rural area of the Gambia. Bull WHO 65:635–643
3. Högberg U, Broström G (1986) The impact of early medical technology on maternal mortality in late 19th century Sweden. Int J Gynaecol Obstet 24:251–261
4. Khan AR, Jahan FA, Begum SF, Jalil K (1985) Maternal mortality in rural Bangladesh. World Health Forum 6:325–328
5. Morley D (1966) The Under-Fives Clinics. In: King M (Ed) Medical care in developing countries. A symposium from Makerere. Oxford University Press, Nairobi