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Footnotes
Abridged from a report of the Bengal Public Health Department.
Contributor Information
R. B. Lal, From the Department of Epidemiology and Vital Statistics, All-India Institute of Hygiene and Public Health, Calcutta, and The Bengal Public Health Department, Calcutta
S. M. Majumdar, From the Department of Epidemiology and Vital Statistics, All-India Institute of Hygiene and Public Health, Calcutta, and The Bengal Public Health Department, Calcutta
J. Ahmed, From the Department of Epidemiology and Vital Statistics, All-India Institute of Hygiene and Public Health, Calcutta, and The Bengal Public Health Department, Calcutta