Reliability of self reported smoking status by pregnant women for estimating smoking prevalence: a retrospective, cross sectional study
Autor: | Shipton, Deborah, Tappin, David M, Vadiveloo, Thenmalar, Crossley, Jennifer A, Aitken, David A, Chalmers, Jim |
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Zdroj: | BMJ: British Medical Journal, 2009 Nov . 339(7732), 1241-1241. |
Databáze: | JSTOR Journals |
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