title: Racial variation in rheumatoid arthritis.
authors: W H
authors: WH
authors: James
mesh_terms: D001172:Arthritis, Rheumatoid / Q000208:ethnology*; D044383:Black People; D005260:Female; D006801:Humans; D008297:Male; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone