1. The effect of the interval between births on maternal and fetal outlook;Eastman;American Journal of Obstetrics and Gynecology,1944
2. On the interval between successive births and its effect on the survival of the infant - I. An indirect method of study;Yerushalmy;Human Biology,1945
3. Frequent reproductive cycling: does it lead to nutritional depletion of mothers?;Merchant;Progress in Food and Nutrition Science,1988