Respiratory effects of lowering tar and nicotine levels of cigarettes smoked by young male middle tar smokers. II. Results of a randomised controlled trial.

STUDY OBJECTIVE--The aim was to investigate the effect on respiratory health of male middle tar smokers changing the tar and nicotine levels of the cigarettes they smoke for a six month period. DESIGN--This was a randomised controlled trial. Middle tar smokers were randomly allocated to smoke one of...

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Hlavní autoři: Withey, C H, Papacosta, A O, Swan, A V, Fitzsimons, B A, Ellard, G A, Burney, P G, Colley, J R, Holland, W W
Médium: Artigo
Jazyk:Inglês
Vydáno: 1992
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Research Article
On-line přístup:https://ncbi.nlm.nih.gov/pmc/articles/PMC1059568/
https://ncbi.nlm.nih.gov/pubmed/1645087
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