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Fischer, Felix; Lewith, George; Witt, Claudia M.; Linde, Klaus; von Ammon, Klaus; Cardini, Francesco; Falkenberg, Torkel; Fonnebo, Vinjar; Johannessen, Helle; Reiter, Bettina; Uehleke, Bernhard; Weidenhammer, Wolfgang; Brinkhaus, Benno (2014). High prevalence but limited evidence in complementary and alternative medicine: guidelines for future research. BMC complementary and alternative medicine, 14(46), pp. 1-9. BioMed Central 10.1186/1472-6882-14-46
