Hereditary factors, "spontaneous cough" and "smoker's cough". A study on 7,800 twin-pairs with the aid of mailed questionnaires.
D000368:Aged; D000369:Aged, 80 and over; D003371:Cough / Q000235:genetics*; D004198:Disease Susceptibility; D004200:Diseases in Twins / Q000235:genetics*; D005260:Female; D006801:Humans; D008297:Male; D015995:Prevalence; D012907:Smoking / Q000009:adverse effects* / Q000235:genetics; D011795:Surveys and Questionnaires; D013548:Sweden