RESPIRATORY SYMPTOMS IN A WORKING POPULATION--A REPORT ON METHODS.
D001991:Bronchitis; D003327:Coronary Disease; D004739:England; D006801:Humans; D006973:Hypertension; D008175:Lung Neoplasms; D009017:Morbidity; D009026:Mortality; D009787:Occupational Medicine; D011014:Pneumonia; D012140:Respiratory Tract Diseases; D014481:United States; D014852:Wales
BRONCHITIS; CORONARY DISEASE; ENGLAND; HYPERTENSION; INDUSTRIAL MEDICINE; LUNG NEOPLASMS; MORBIDITY; MORTALITY; PNEUMONIA; RESPIRATORY TRACT DISEASES; UNITED STATES; WALES