Chunk #8 — Methods — Measures — Nicotine metabolism
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The ratio of 3-hydroxycotinine to cotinine concentrations during a nondeprived, nontreated baseline was used as a non-invasive measure of nicotine metabolism.
The ratio of 3-hydroxycotinine to cotinine concentrations during a nondeprived, nontreated baseline was used as a non-invasive measure of nicotine metabolism.