1. His Majesty's Government, Annual Report of Ministry of Health, Family Planning/Maternal and Child Health Project: 1975–76, Kathmandu, Nepal, p. 19, 1976.
2. United States Department of Health and Human Services, Health United States—1980, Public Health Service, Office of Health Research Statistics and Technology, Publication No. (PHS) 81-1232, p, 132, December, 1980.
3. Morley D., Pediatric Priorities in the Developing World, Butterworth and Co., Ltd., London, p. 127, 1983.