Longo, D. L. (2012). Harrison's principles of internal medicine (18th ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Longo, Dan L. Harrison's Principles of Internal Medicine. 18th ed. New York: McGraw-Hill, 2012.
Lua MLA (9ú heag.)Longo, Dan L. Harrison's Principles of Internal Medicine. 18th ed. McGraw-Hill, 2012.
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