Industrial and Occupational Environment and Health von PUFFER, RUTH R.

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Industrial and Occupational Environment and Health von Puffer, Ruth R.

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Uses and Value of Industrial Vital Statistics von Puffer, R R

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Use of statistics on prematurity in Tennessee von HUTCHESON, R H, PUFFER, R R

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Tuberculosis studies in Tennessee: Subsequent course of cases observed in Williamson County von Puffer, Ruth R, Stewart, H C, Gass, R S

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Analysis of the Subsequent Course of Diagnosed Cases of Tuberculosis von Puffer, R R, Stewart, H C, Gass, R S

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Tuberculosis Studies in Tennessee : A Clinic Study With Reference to Epidemiology Within the Family von Stewart, H C, Gass, R S, Puffer, R R

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Tuberculosis studies in Tennessee: Infection, morbidity and mortality in the families of the tuberculous von Stewart, H C, Gass, R S, Gauld, R L, Puffer, Ruth R

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Tuberculosis studies in Tennessee. Morbidity and mortality in colored families during the period of observation von Puffer, Ruth R, Gass, R S, Murphy, W J, Williams, W C

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Tuberculosis studies in Tennessee. Morbidity and mortality in white households during the period of observation von Stewart, H C, Gass, R S, Puffer, Ruth R, Williams, W C

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Tuberculosis studies in Tennessee. Prevalence of tuberculous infection and disease in white and colored families as revealed at the time of investigation von Puffer, Ruth R, Gass, R S, Murphy, W J, Williams, W C

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Use of the Index Case in the Study of Tuberculosis in Williamson County von Puffer, R R, Doull, J A, Gass, R S, Murphy, W J, Williams, W C

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Accuracy of Tuberculosis Death Rates in Williamson County, Tenn von Puffer, R R, Stewart, H C, Gass, R S, Williams, W C

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Tuberculosis Infection in Relation to Tuberculin Sensitivity in School Children -Roentgenological Evidence von Gass, R S, Murphy, W J, Harrison, E F, Puffer, R R, Williams, W C

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Discussion von Puffer, Ruth R.

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Discussion von Puffer, Ruth R.

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The Facts of Life from Birth to Death von Puffer, Ruth R.

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Interesting and Useful Medical Statistics von Puffer, Ruth R.

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Statistical Analysis in Biology von Puffer, Ruth R.

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Vital Statistics Directory von Puffer, Ruth R.

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