Pneumocystis carinii in the immunosuppressed child.
D002648:Child; D006801:Humans; D007165:Immunosuppression Therapy / Q000009:adverse effects*; D007945:Leukemia, Lymphoid / Q000150:complications / Q000188:drug therapy*; D011020:Pneumonia, Pneumocystis / Q000150:complications* / Q000175:diagnosis; D012306:Risk