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. 2020 Apr 15;128(4):047006. doi: 10.1289/EHP6067

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EHP is an open-access journal published with support from the National Institute of Environmental Health Sciences, National Institutes of Health. All content is public domain unless otherwise noted.

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Figure 1 is a flow chart of experimental procedures and sample size includes prenatal treatment, behavioral assessments, and brain analysis of mice. — Diagram of experimental procedures and sample size. The number of male and female mice in each treatment group is included for each behavioral task. Brains from a subset of mice were used for region-specific brain cytokine measures. Note: F, female; FA, filtered air; M, male; PG/VG, propylene glycol/vegetable glycerin; $+ Nic$ , propylene glycol/vegetable glycerin plus nicotine.