著者所属:"The 2nd Department of Internal Medicine,Tohoku University School of Med The 2nd Department of Internal Medicine,Tohoku University School of Med The 2nd Department of Internal Medicine,Tohoku University School of Med The 2nd Department of Internal Medicine,Tohoku University School of Med The 2nd Department of Internal Medicine,Tohoku University School of Med The 2nd Department of Internal Medicine,Tohoku University School of Med"