title: Absence of relationship of fecal Clostridium perfringens to rheumatoid arthritis and rheumatoid variants.
mesh_terms: D000992:Antitoxins / Q000032:analysis; D001168:Arthritis / Q000382:microbiology*; D016918:Arthritis, Reactive / Q000382:microbiology; D001172:Arthritis, Rheumatoid / Q000097:blood / Q000209:etiology / Q000382:microbiology*; D003015:Clostridium Infections / Q000150:complications; D003016:Clostridium perfringens / Q000302:isolation & purification* / Q000472:pathogenicity; D005243:Feces / Q000382:microbiology*; D005260:Female; D006801:Humans; D008297:Male; D011565:Psoriasis / Q000382:microbiology; D012595:Scleroderma, Systemic / Q000382:microbiology; D013167:Spondylitis, Ankylosing / Q000382:microbiology
chemical_list: D000992:Antitoxins