What are the sensitivity and the specificity of pre and post shift changes in lung function in the diagnosis of occupational asthma?
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*
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3
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Pre to post shift changes in lung function cannot be recommended for the validation or exclusion of occupational asthma.
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This statement is in the "Diagnosis of an affected worker"
section of evidence linked statements
Evidence
Burge PS, O'Brien IM, Harries MG
,
Peak Flow Rate Records In The Diagnosis Of Occupational Asthma Due To Colophony
,
Thorax
,
1979
;
34
:
308-316
Burge PS, O'Brien IM, Harries MG
,
Peak flow rate records in the diagnosis of occupational asthma due to isocyanates
,
Thorax
,
1979
;
34
:
317-323