Payne, H. M., Harden, K. A., & Ellison, O. (1951). Symposium on Chronic Pulmonary Diseases: Based Upon the Medical Section Meeting of the American Trudeau Society at the Tuberculosis Annex of Freedmen's Hospital, April, 1950.

Payne, Howard M., K. Albert Harden, ja Oscar Ellison. Symposium On Chronic Pulmonary Diseases: Based Upon the Medical Section Meeting of the American Trudeau Society At the Tuberculosis Annex of Freedmen's Hospital, April, 1950. 1951.

Payne, Howard M., K. Albert Harden, ja Oscar Ellison. Symposium On Chronic Pulmonary Diseases: Based Upon the Medical Section Meeting of the American Trudeau Society At the Tuberculosis Annex of Freedmen's Hospital, April, 1950. 1951.