References
- Hughes , E. 1923 . Infant Mortality, Children’s Bureau Publication No. 112 , Washington : U.S. Dept of Labor .
- Woodbury , R. M. 1925 . Causal Factors in Infant Mortality, Children’s Bureau Publication No. 142 , 60 – 60 . Washington : U.S. Dept of Labor .
- Eastman , N. J. 1944 . The Effect of the Interval between Births on Maternal and Fetal Outlook . American Journal of Obstetrics and Gynecology , 47 : 445 – 463 .
- Douglas , J. W. B. 1950 . ‘Some Factors Associated with Prematurity’ . Journal of Obstetrics and Gynaecology of the British Empire , 57 : 156 – 156 .
- Yerushalmy , J. 1945 . On the Interval between Successive Births and its Effect on Survival of Infant . Human Biology , 17 : 65 – 106 .
- Laurie , W. , Brass , W. and Traut , H. 1954 . East Africa Medical Survey Monograph Nos. 3 and 4 , High Commission Nairobi .
- Yerushalmy J. et al. Longitudinal Studies of Pregnancy on the Island of Kauri, Territory of Hawaii American Journal of Obstetrics and Gynecology 1956 71 80 96
- Wyon , J. B. and Gordon , J. E. 1962 . “ A Long-term Field Study of Population Dynamics in the Punjab, India ” . In Research in Family Planning Edited by: Kiser , Clyde V. Princeton, N.J.
- Fedrick , J. and Adelstein , P. 1973 . Influence of Pregnancy Spacing on Outcome of Pregnancy . British Medical Journal , 4 : 753 – 756 .
- Wray , J. D. and Aguirre , A. 1969 . Protein-Calorie Malnutrition in Candelaria, Colombia . Journal of Tropical Paedriatrics , 15 : 92 – 92 .
- Holley , W. L. , Rosenbaum , A. L. and Churchill , J. A. Peri-natal Factors Affecting Human Development . PAHO Advisory Committee on Medical Research. Special Session of the Eighth Meeting . Effect of Rapid Succession of Pregnancy , pp. 41 – 44 . in
- Wishik , S. M. and Stern , R. G. 1974 . The Impact of Birth Spacing on Maternal and Child Nutrition . Ecology of Food and Nutrition , 3 : 73 – 75 .
- Scrimshaw , Susan . 1973 . “ Migration, Urban Living, and the Family: A Study Among Residents in the Tugunos and Suburbios of Guayaquil ” . In Report prepared for the International Institute for the Study of Human Reproduction , 57 – 62 . Columbia University . 64
- Bogue , D. W. 1970 . A Model Interview for Fertility Research and Family Planning , 25 – 25 . Community and Family Study Center, University of Chicago .
- Scrimshaw , Susan . 1974 . Culture, Environment and Family Size: A Study of Urban In-Migrants in Guayaquil, Ecuador , Columbia University .
- Scrimshaw , Susan . 1973 . “ ‘Migration, Urban Living, and the Family: A Study Among Residents in the Tugunos and Suburbios of Guayaquil’ ” . In Report prepared for the International Institute for the Study of Human Reproduction , 57 – 62 . Columbia University . 64
- et al. Area Handbook for Ecuador U.S. Superintendent of Documents Washington, D.C. 1965 175 175
- Putter , R. R. and Serrano , C. V. 1973 . Patterns of Mortality in Childhood, PAHO, Scientific Publication No. 262
- Osborne , J. F. 1972 . A Statistical Investigation into the Effects of Maternal Age, Parity and Birth Concentration on Stillbirth and Infant Mortality Rates , University of London .
- Jain , A. K. 1969 . Pregnancy Outcome and Time Required for Next Conception . Population Studies , 23 : 421 – 433 .
- Wolfers , D. 1969 . The Demographic Effects of a Contraceptive Programme . Population Studies , 23 : 131 – 131 . Table 11
- et al. Lactation and its Effects upon Birth Intervals in Eleven Punjab Villages, India Public Health and Population Change Sheps Mindel C. Ridley Jeanne C. University of Pittsburgh Press 1965 in