title: Mexicali treatment of rheumatoid arthritis.
mesh_terms: D000368:Aged; D000380:Agranulocytosis / Q000139:chemically induced*; D000632:Aminopyrine / Q000009:adverse effects*; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D001853:Bone Marrow / Q000187:drug effects*; D006801:Humans; D008297:Male; D008800:Mexico; D010653:Phenylbutazone / Q000009:adverse effects*; D011781:Quackery
chemical_list: D000632:Aminopyrine; D010653:Phenylbutazone