8S. Levine, H. Ursin. Psychobiology of Stress, New York: academic press,1978.17.
9Edwards N. Kornacki M J, Silversin J. Unhappy doctors:what are the causes and what can be done? BMJ,2002 ;324:835～8.
10Appleton K, House A, Dowell A. A survey of job satisfaction, sources of stress and psychological symptoms among general practitioners in Leeds. Br J Gen Pract,1998 ;48:1059～63.
