title: Chronic nonspecific respiratory disease in Berlin, New Hampshire, 1961 to 1967. A follow-up study.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000375:Aging; D000397:Air Pollution; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008168:Lung / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D009513:New Hampshire; D012129:Respiratory Function Tests; D012140:Respiratory Tract Diseases / Q000453:epidemiology* / Q000503:physiopathology; D012494:Sampling Studies; D012737:Sex Factors; D012907:Smoking; D011795:Surveys and Questionnaires; D013997:Time Factors