Scherf, D., & Boyd, L. J. (1939). Cardiovascular diseases, their diagnosis and treatment. C.V. Mosby.
Lua i Stíl Chicago (17ú heag.)Scherf, David, agus Linn J. Boyd. Cardiovascular Diseases, Their Diagnosis and Treatment. St. Louis: C.V. Mosby, 1939.
Lua MLA (8ú heag.)Scherf, David, agus Linn J. Boyd. Cardiovascular Diseases, Their Diagnosis and Treatment. C.V. Mosby, 1939.
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