Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TAKATA Tohru and NAGAFUCHI Seiho and TSUDA Hiroko and UEHIRA Kenji and KONDO Seiji and UEDA kira and ISHII Hiroshi and NIHO Yoshiyuki,Lymphocytic interstitial pneumonia associated with a marked increase in monoclonal IgM-.KAPPA.-type rheumatoid factor and serum CA19-9.,Japanese Journal of Medicine,0021-5120,The Japanese Society of Internal Medicine,1991,30,1,92-96,https://cir.nii.ac.jp/crid/1390282679842837760,https://doi.org/10.2169/internalmedicine1962.30.92