نتایج جستجو برای: 1974
تعداد نتایج: 18217 فیلتر نتایج به سال:
Journal:
:The European respiratory journal
1990
J Vestbo
K M Knudsen
F V Rasmussen
A group of 1404 middle-aged men from Aalborg who were examined in 1974 with interview and lung function tests were re-examined in 1985 using a postal questionnaire. Of the 1404 men, 1045 could be classified into well-defined occupational categories using information up to 1974. Of these men, 791 were alive at the time of the questionnaire survey. Questions on lung symptoms, occupation and smoki...
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