1. Altman DG 1992 Practical Statistics for Medical Research. Chapman & Hall, London
2. Musical and verbal interventions in music therapy: a qualitative study;Amir;Journal of Music Therapy,1999
3. Bergbom-Engberg I 1989 Patients’ experience of respirator treatment. A retrospective study of the influence of medical and nursing care factors on recall, experience of discomfort and feelings of security or insecurity. Dissertation from the Department of Anaesthesiology, Gothenburg University
4. Using music therapy in hospital settings;Biley;Nursing Standard,1992
5. The role of the taped music program in the guided imagery in music (GIM) process;Bonny;Baltimore ICM press,1978