Bull. Spec. CORESTA Congress, Brighton, 1998, p. 191, ST45
Quantifying ETS exposure
SEWART A.P.
Rothmans International Services Limited, R&D, Basildon, Essex, England.
Epidemiological studies into the alleged health effects of ETS typically use questionnaires which, at best, quantify ETS ‘exposure’. However, exposure is not, in itself, sufficient; what is required is a measure of the substance that enters the body...