The Costs of Rural Public Health Services

מאת Walker, W. Frank, Williams, W. Carter, Underwood, Felix J.
יצא לאור 1942

Tuberculosis Infection in Relation to Tuberculin Sensitivity in School Children —Roentgenological Evidence

מאת Gass, R. S., Murphy, William J., Harrison, E. F., Puffer, Ruth R., Williams, W. Carter
יצא לאור 1941