Lua APA (7ú heag.)

Russek, H. I. Changing concepts in cardiovascular disease.

Lua i Stíl Chicago (17ú heag.)

Russek, Henry I.Zohman. Changing Concepts in Cardiovascular Disease.

Lua MLA (8ú heag.)

Russek, Henry I.Zohman. Changing Concepts in Cardiovascular Disease.

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