[Placebo effect or not? Vegetarian food helped the patients with rheumatism].
D014676:Diet, Vegetarian; D006801:Humans; D015990:Placebo Effect; D012216:Rheumatic Diseases / Q000178:diet therapy / Q000523:psychology / Q000628:therapy*
Placeboeffekt eller inte? Vegetarisk kost hjälpte reumatiker.