title: [Radiologic observation on 100 cases of early rheumatoid arthritis].
authors.forename: S C
authors.initials: SC
authors.lastname: Yan
mesh_terms: D001172:Arthritis, Rheumatoid / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008683:Metatarsophalangeal Joint / Q000000981:diagnostic imaging; D010024:Osteoporosis / Q000000981:diagnostic imaging; D011859:Radiography; D014955:Wrist Joint / Q000000981:diagnostic imaging