Use of Electronic Cigarettes Leads to Significant Beta2-Nicotinic Acetylcholine Receptor Occupancy: Evidence From a PET Imaging Study. - Baldassarri SR; Hillmer AT; Anderson JM; Jatlow P; Nabulsi N; Labaree D; Cosgrove KP; O'Malley SS; Eissenberg T; Krishnan-Sarin S; Esterlis I (Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco, 2018)