title: Certain gut bacteria linked to Rheumatoid arthritis.  "Linked" doesn't mean casual, but new findings may point the way to new treatment targets and techniques.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000453:epidemiology* / Q000382:microbiology; D016866:Bacteroidaceae Infections / Q000453:epidemiology*; D006801:Humans; D018720:Prevotella