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Measures of carbon monoxide, thiocyanate, and plasma nicotine concentrations were unrelated to exposure. The data indicate that cotinine provides a valid marker of the dose received from passive smoke exposure. The non-invasive samples of urine and saliva are particularly suited to epidemiological investigations. Detailed questionnaire items may also give valuable information.<\/jats:p>","DOI":"10.1136\/jech.38.4.335","type":"journal-article","created":{"date-parts":[[2008,11,12]],"date-time":"2008-11-12T15:09:01Z","timestamp":1226502541000},"page":"335-339","source":"Crossref","is-referenced-by-count":240,"title":["Biochemical markers of smoke absorption and self reported exposure to passive smoking."],"prefix":"10.1136","volume":"38","author":[{"given":"M","family":"Jarvis","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"H","family":"Tunstall-Pedoe","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C","family":"Feyerabend","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C","family":"Vesey","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Y","family":"Salloojee","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[1984,12,1]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"720","DOI":"10.1056\/NEJM198003273021304","article-title":"Small airways dysfunction in non-smokers chronically exposed to tobacco smoke","volume":"302","author":"White, JR, Froeb; H.F.","year":"1980","unstructured":"White JR, Froeb HF. 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