Schuman, L. M., & Doull, J. A. (1940). Diphtheria Infection and Morbidity in Cleveland, 1937-1939.
Citação norma ChicagoSchuman, Leonard M., and James A. Doull. Diphtheria Infection and Morbidity in Cleveland, 1937-1939. 1940.
MLA citiranjeSchuman, Leonard M., and James A. Doull. Diphtheria Infection and Morbidity in Cleveland, 1937-1939. 1940.
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