7Zahourek R P. Relaxation and imagery: tools for therapeutic communication and intervention[M]. Philadelphia: W.B. Saunders, 1988. 223.
8Schneider C J. Cost effectiveness of biofeedback and behavioral medicine treatments: a review of the literature[J]. Biofeedback Self Regul, 1987, 12(2): 71.
9Snyder M, Lindquist R. Complementary/alternative therapies in nursing [M]. New York: Springer,1998. 6-7,103-104.
10Yen L L, Patrick W K, Chie W C. Comparison of relaxation of techniques, routine blood pressure measurements, and selt-earning packages in hypertension control[J]. Prey Med, 1996,25(3): 339.
