1. Why patients use alternative medicine;Astin;JAMA,1998
2. The perceived efficacy of complementary and orthodox medicine in complementary and general practice patients;Vincent;Health Education Research,1995
3. What do Chinese Australians do when they are unwell? A study of their health care seeking behaviour and the response of the Australian health care system;Tang;Unpublished PhD thesis, University of Sydney,,1998
4. Krueger, R. Focus Groups: a practical guide for applied research. California, Sage, 1994
5. Critical factors in the determination of focus group size;Tang;Family Practice,1995