Petersdorf, R. G., & Harrison, T. R. (1983). Harrison's Principles of internal medicine: Pretest self-assessment and review. McGraw-Hill Book Co., Health Professions Division, PreTest Series.
Lua i Stíl Chicago (17ú heag.)Petersdorf, Robert G., agus Tinsley Randolph Harrison. Harrison's Principles of Internal Medicine: Pretest Self-assessment and Review. New York: McGraw-Hill Book Co., Health Professions Division, PreTest Series, 1983.
Lua MLA (8ú heag.)Petersdorf, Robert G., agus Tinsley Randolph Harrison. Harrison's Principles of Internal Medicine: Pretest Self-assessment and Review. McGraw-Hill Book Co., Health Professions Division, PreTest Series, 1983.
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