title: Intestinal Clostridium perfringens in rheumatoid arthritis and other connective tissue disorders. Studies of fecal flora, serum antitoxin levels and skin hypersensitivity.
mesh_terms: D000992:Antitoxins / Q000097:blood; D001172:Arthritis, Rheumatoid / Q000382:microbiology*; D001177:Arthropathy, Neurogenic / Q000382:microbiology*; D003016:Clostridium perfringens; D005243:Feces / Q000382:microbiology; D006801:Humans; D006968:Hypersensitivity, Delayed; D007422:Intestines; D007592:Joint Diseases / Q000382:microbiology*; D008180:Lupus Erythematosus, Systemic / Q000382:microbiology*; D012882:Skin Tests; D013167:Spondylitis, Ankylosing / Q000382:microbiology*
chemical_list: D000992:Antitoxins