Stone, R. M. (2001). Harrison's principles of internal medicine: Self-assessment and board review (15th ed.). McGraw-Hill, Medical Pub. Division.

Stone, Richard M. Harrison's Principles of Internal Medicine: Self-assessment and Board Review. 15th ed. New York: McGraw-Hill, Medical Pub. Division, 2001.

Stone, Richard M. Harrison's Principles of Internal Medicine: Self-assessment and Board Review. 15th ed. McGraw-Hill, Medical Pub. Division, 2001.