1. Bernard HR 1998 Research Methods in Cultural Anthropology, 3rd edn. Sage Publications, Thousand Oaks, CA
2. Brink PJ, Wood MJ 1988 Basic Steps in Planning Nursing Research, From Question to Proposal 3rd edn. Jones & Bartlett Publisher, Boston
3. Cassidy CM 1994 Unraveling the ball of string: reality, paradigms, and the study of alternative medicine. Advances. Journal of Mind–Body Medicine 10: 5–31
4. Cassidy CM 1998 Chinese medicine users in the United States, Parts 1 and 2. Journal of Alternative and Complementary Medicine 4(1): 17–27;4(2): 189–202
5. Cassidy CM, Cassileth B, Jonas W, Pavek R, Silversmith L 1995 Appendix F : a guide for the alternative researcher. In Alternative Medicine, Expanding Medical Horizons Workshop on Alternative Medicine, US Government Printing Office, Washington DC