title: Lymphoid interstitial pneumonia and rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000276:immunology; D002648:Child; D006801:Humans; D007223:Infant; D008214:Lymphocytes; D008297:Male; D011658:Pulmonary Fibrosis / Q000276:immunology*