Cotinine as a measure of smoking in observational studies of multiple sclerosis. Hedstrom AK, Olsson T, Alfredsson L. Mult Scler 2020 Nov 10:1352458520968803. doi: 10.1177/1352458520968803.

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Amedeo Smart

Independent Medical Education

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Hedstrom AK, Olsson T, Alfredsson L. Cotinine as a measure of smoking in observational studies of multiple sclerosis. Mult Scler 2020 Nov 10:1352458520968803. doi: 10.1177/1352458520968803.
PMID: 33170069