[Pathological study of overlapping syndrome. Statistical observation on the autopsy reports and pathological evaluation of cases in multiple categories].
D001172:Arthritis, Rheumatoid / Q000453:epidemiology / Q000473:pathology*; D001344:Autopsy; D003095:Collagen Diseases / Q000453:epidemiology / Q000473:pathology*; D006801:Humans; D007564:Japan; D013577:Syndrome