1. Kipling R. A Book of Words. New York: Doubleday, Doran and Co; 1928:44-55.
2. Holmes OW. The Professor at the Breakfast Table. Boston: Houghton, Mifflin and Co; 1882:41.
3. Keeton K, Fenner DE, Johnson TR, Hayward RA. Predictors of physician career satisfaction, work-life balance, and burnout. Obstet Gynecol. 2007;109(4):949-955.
4. Baldisseri MR. Impaired healthcare professional. Crit Care Med. 2007;35(2 Suppl):S106-S116.
5. Abramson S, Stein J, Schauffler M, Frates E, Rogan S. Personal exercise habits and counseling practices of primary care physicians: a national survey. Clin J Sport Med. 2000;10(1):40-48.