Pneumocystis carinii pneumonia--(a case report).
D002648:Child; D006801:Humans; D007165:Immunosuppression Therapy / Q000009:adverse effects; D007945:Leukemia, Lymphoid / Q000150:complications / Q000188:drug therapy; D008297:Male; D011020:Pneumonia, Pneumocystis / Q000209:etiology* / Q000473:pathology