High prevalence but limited evidence in complementary and alternative medicine: guidelines for future research.
Fischer FH, Lewith G, Witt CM, Linde K, von Ammon K, Cardini F, Falkenberg T, Fønnebø V, Johannessen H, Reiter B, Uehleke B, Weidenhammer W, Brinkhaus B.
Fischer FH, et al.
BMC Complement Altern Med. 2014 Feb 6;14:46. doi: 10.1186/1472-6882-14-46.
BMC Complement Altern Med. 2014.
PMID: 24499316
Free PMC article.