Clark, Jason2019-01-032019-01-032019-01-04https://hdl.handle.net/2152.5/6133Detailed formal protocol with illustrations and extensive bibliography.enGrand RoundsTeaching RoundsElectronic Nicotine Delivery SystemsHarm ReductionNicotineSmokingTreatment OutcomeVaping: cleaner nicotine or new toxic epidemic?Other1052748