title: A radiologic approach to hypersensitivity pneumonias.
mesh_terms: D000190:Actinomyces; D000208:Acute Disease; D000305:Adrenal Cortex Hormones / Q000627:therapeutic use; D000818:Animals; D000918:Antibody Specificity; D000936:Antigen-Antibody Complex; D001249:Asthma / Q000276:immunology; D001706:Biopsy; D001991:Bronchitis / Q000276:immunology; D002908:Chronic Disease; D010856:Columbidae; D003937:Diagnosis, Differential; D004391:Dust; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000276:immunology; D007073:Immunoglobulin E / Q000096:biosynthesis; D008168:Lung / Q000473:pathology; D008172:Lung Diseases, Fungal / Q000000981:diagnostic imaging* / Q000276:immunology; D011014:Pneumonia / Q000000981:diagnostic imaging* / Q000188:drug therapy / Q000209:etiology / Q000276:immunology / Q000473:pathology; D011020:Pneumonia, Pneumocystis / Q000209:etiology; D011859:Radiography; D012130:Respiratory Hypersensitivity / Q000000981:diagnostic imaging*
chemical_list: D000305:Adrenal Cortex Hormones; D000936:Antigen-Antibody Complex; D004391:Dust; D007073:Immunoglobulin E