METHODS:Timed-pregnant C57BL/6J mice were exposed to 2. 4% nicotine in propylene glycol (PG) or 0% nicotine /PG once a day from gestational day 15 until delivery. After delivery. offspring and mothers were exposed to E-cigarette vapors for an additional 14 days from postnatal day 2 through 16. https://www.bekindtopets.com/quick-find-ICON-39290-Adjustable-Track-Bar-Kit-1999-2004-F250-F350-flash-buy/