title: Chlamydial pneumonia: a newly recognized common disease of infancy.
mesh_terms: D002675:Child, Preschool; D002690:Chlamydia Infections / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000382:microbiology*; D008297:Male; D011014:Pneumonia / Q000382:microbiology*; D013781:Texas