title: Your diagnosis, please. A nine-month-old boy with severe interstitial pneumonia.
authors.affiliation: Division of Pediatric Infectious Diseases, Children's Memorial Hospital, Northwestern University Feinberg School of Medicine, Children's Memorial Hospital, Chicago, IL, USA.
authors.forename: Evan J
authors.initials: EJ
authors.lastname: Anderson
authors.forename: Anne H
authors.initials: AH
authors.lastname: Rowley
mesh_terms: D006801:Humans; D007223:Infant; D017563:Lung Diseases, Interstitial / Q000175:diagnosis* / Q000209:etiology; D008231:Lymphopenia / Q000175:diagnosis; D008297:Male; D045363:Pneumocystis carinii; D011020:Pneumonia, Pneumocystis / Q000175:diagnosis* / Q000382:microbiology; D016511:Severe Combined Immunodeficiency / Q000150:complications / Q000175:diagnosis*