The post-natal development of lymphoreticular aggregates in the lungs of children.
D000941:Antigens; D004781:Environmental Exposure; D006801:Humans; D007231:Infant, Newborn; D008168:Lung / Q000254:growth & development* / Q000473:pathology; D008171:Lung Diseases / Q000209:etiology / Q000473:pathology; D008198:Lymph Nodes / Q000254:growth & development; D012157:Mononuclear Phagocyte System / Q000254:growth & development
D000941:Antigens