title: Non-tubercular diffuse pulmonary fibrosis in Northern India.
mesh_terms: D000328:Adult; D001706:Biopsy; D006801:Humans; D007194:India; D008168:Lung / Q000473:pathology; D008875:Middle Aged; D011658:Pulmonary Fibrosis / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology; D011859:Radiography; D012129:Respiratory Function Tests