Medical care and costs in relation to family income, a statistical source book including selected data on characteristics of illness - Hollingsworth, Helen, 1907-; Klem, Margaret Coyne, 1896- (Washington, D.C., Federal security agency, Social security board, Bureau of research and statistics, 1943)
Reproduced from type-written copy.
Bibliography: p. 34-38.
Keywords: United States -- Statistics, Medical; Cost and standard of living -- United States; Medical care, Cost of -- United States