title: RA sex ratios, HLA-DR, and testosterone.
authors: C M
authors: CM
authors: Deighton
authors: M
authors: M
authors: Watson
authors: D J
authors: DJ
authors: Walker
mesh_terms: D001172:Arthritis, Rheumatoid / Q000235:genetics*; D004198:Disease Susceptibility; D005190:Family; D005260:Female; D015804:HLA-DR4 Antigen / Q000235:genetics*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012744:Sex Ratio; D013739:Testosterone / Q000097:blood*
chemical_list: D015804:HLA-DR4 Antigen; D013739:Testosterone