Hewitt, J. H. (1913). Free thrombi and ball-thrombi in the heart. Johns Hopkins Press.
Lua i Stíl Chicago (17ú heag.)Hewitt, J. H. Free Thrombi and Ball-thrombi in the Heart. Baltimore: Johns Hopkins Press, 1913.
Lua MLA (8ú heag.)Hewitt, J. H. Free Thrombi and Ball-thrombi in the Heart. Johns Hopkins Press, 1913.
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