March 1940 (Volume 18)
In This Issue
A Study of Illness among Families in the Eastern Health District of Baltimore
: Population and the Pattern of Unemployment, 1930-1937
: Salient Points of Attack against Tuberculosis
: The Age Selection of Mortality from Tuberculosis in Successive Decades
: Dental Caries in Brothers and Sisters of Immune and Susceptible Children
: Review: Population: Today’s Question by G. F. McCleary
: The Vitamins
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