[Epidemiology of chronic nonspecific respiratory diseases (CNRD): the problem and methods of studying it].
D000367:Age Factors; D000397:Air Pollution; D001530:Belgium; D006801:Humans; D012129:Respiratory Function Tests; D012140:Respiratory Tract Diseases / Q000453:epidemiology* / Q000209:etiology; D012141:Respiratory Tract Infections / Q000150:complications; D012907:Smoking; D011795:Surveys and Questionnaires
De epidemiologie van CARA: probleemstelling en studiemethodes.