1. Relationship between length of gestation and cervical dilatation, uterine contractility and other factors during pregnancy;Anderson;American Journal of Obstetrics and Gynecology,1969
2. Renal agenesis and severe urinary tract dysplasia;Bain;British Medical Journal,1960
3. Baird, S. D. (1961) Public Health Aspects of Low Birthweight. World Health Organization (WHO) Technical Report Series. No. 217, Geneva, Switzerland.
4. Disease and labour productivity;Baldwin;Economic Development and Cultural Change,1974
5. The epidemiology of perinatal mortality and morbidity;Bonham,1979