[Treatment of collagen diseases--a questionnaire survey in Japan (author's transl)].
D001172:Arthritis, Rheumatoid / Q000188:drug therapy; D003095:Collagen Diseases / Q000188:drug therapy*; D003882:Dermatomyositis / Q000188:drug therapy; D006801:Humans; D007564:Japan; D008180:Lupus Erythematosus, Systemic / Q000188:drug therapy; D012595:Scleroderma, Systemic / Q000188:drug therapy; D011795:Surveys and Questionnaires