Revision of the European Community for Coal and Steel Questionnaire on Respiratory Symptoms.
Pride
N B
NB
D004739:England / Q000453:epidemiology; D004812:Epidemiologic Methods; D005060:Europe / Q000453:epidemiology; D049673:History, 20th Century; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000453:epidemiology*; D012129:Respiratory Function Tests; D011795:Surveys and Questionnaires