[Epidemiological study of chronic cough and obstructive ventilatory dysfunction in a rural area].

An epidemiological study (MRC--Questionnaire and spirography) has been carried out on a population aged between 40 and 69 years living in a rural area (Costeşti, district of Buzău). 440 subjects (202 men and 238 women; 83% of the population in this age group) were examined. Chronic productive cough in subjects with no other respiratory diseases was found in 8,9% of the examinated males and in 5.