A study of the effect of birth interval on the development of 9-year-old school children in Singapore
Martin EC. A study of the effect of birth interval on the development of 9-year-old school children in Singapore. Journal of tropical pediatrics and environmental child health, 1979, 25(2-3):46-76.
Anemia among pregnant women in the Asir region Saudi Arabia: An epidemiological study
Mahfouz AA et al. Anemia among pregnant women in the Asir region Saudi Arabia: an epidemiological study. South-east Asian journal of tropical medicine and public health, 1994, 25(1):84-7.
Effect of birth spacing on infant survival in Thailand: Two-stage logit analysis
Park CB, Saisakul S, Saengtienchai C. Effect of birth spacing on infant survival in Thailand: two-stage logit analysis. South-east Asian journal of tropical medicine and public health, 1994, 25(1):50-9.
Age of marriage and length of the first birth interval in a traditional Indian society: Life tables and hazards model analysis
Nath DC et al. Age of marriage and length of the first birth interval in a traditional Indian society: life tables and hazards model analysis. Human biology, 1993, 65(5):783-97.