1. National Center for Complementary and Alternative Medicine Expanding Horizons of Healthcare: Five-Year Strategic Plan 2001–2005. 2000, Bethesda, Maryland, USA: US Department of Health and Human Services, National Institutes of Health, National Center for Complementary and Alternative Medicine, NIH Publication number 01–5001
2. Publications Using NHIS CAM Data.
http://nccam.nih.gov/news/camstats/2007/bibliography.htm
,
3. National Center for Complementary and Alternative Medicine Exploring the Science of Complementary and Alternative Medicine: Third Strategic Plan: 2011–2015. 2011, Bethesda, Maryland, USA: US Department of Health and Human Services, National Institutes of Health, National Center for Complementary and Alternative Medicine, NIH Publication number 11–7643, D458
4. Veale B: Questionnaire design and surveys. Aust Fam Physician. 1998, 27: 499-502.
5. Passmore C, Dobbie AE, Parchman M, Tysinger J: Guidelines for constructing a survey. Fam Med. 2002, 34: 281-286.