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Mean (± standard deviation) of Il-7 levels in serum (A) and Il-13, Il-1β and Il-12p70 levels in (BALF, B, C, and D, respectively) of male and female mice exposed to towels with ENDS aerosol contamination. n = 2 each for all males and females in the exposed and control groups at 75 days. n = 3 and n = 2 for exposed and control males, respectively, at 48 days at the time of sacrifice. BALF: bronchoalveolar lavage fluid; ENDS: electronic nicotine delivery systems.
