[THE PREVALENCE OF CHRONIC BRONCHITIS AMONG RECIPIENTS OF HEALTH INSURANCE BENEFITS].
D001991:Bronchitis; D029481:Bronchitis, Chronic; D005858:Germany; D005860:Germany, West; D006801:Humans; D007342:Insurance Benefits; D007348:Insurance, Health; D009784:Occupational Diseases; D011009:Pneumoconiosis; D015995:Prevalence; D014942:Workers' Compensation
BRONCHITIS; GERMANY, WEST; INSURANCE, HEALTH; OCCUPATIONAL DISEASES; PNEUMOCONIOSIS; WORKMEN'S COMPENSATION