title: Pathological studies on viral pneumonia and interstitial pneumonitis caused by unknown etiology.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001344:Autopsy; D001990:Bronchiolitis, Viral / Q000473:pathology; D002648:Child; D002675:Child, Preschool; D003586:Cytomegalovirus Infections / Q000473:pathology; D005260:Female; D005921:Glomerulonephritis / Q000473:pathology; D006801:Humans; D006819:Hyaline Membrane Disease / Q000473:pathology; D007223:Infant; D007231:Infant, Newborn; D007244:Infectious Mononucleosis / Q000473:pathology; D007251:Influenza, Human / Q000473:pathology; D008297:Male; D008875:Middle Aged; D011020:Pneumonia, Pneumocystis / Q000473:pathology; D011024:Pneumonia, Viral / Q000209:etiology / Q000473:pathology*; D011650:Pulmonary Alveoli / Q000473:pathology; D011658:Pulmonary Fibrosis / Q000209:etiology / Q000473:pathology*