Pneumonia and methotrexate.
D000208:Acute Disease; D000328:Adult; D004342:Drug Hypersensitivity / Q000188:drug therapy; D005260:Female; D006801:Humans; D007945:Leukemia, Lymphoid / Q000188:drug therapy; D008727:Methotrexate / Q000009:adverse effects*; D011014:Pneumonia / Q000139:chemically induced* / Q000188:drug therapy; D011241:Prednisone / Q000627:therapeutic use
D011241:Prednisone; D008727:Methotrexate