A comparison of the nicotine lozenge and nicotine gum: an effectiveness randomized controlled trial.
Pack QR, Jorenby DE, Fiore MC, Jackson T, Weston P, Piper ME, Baker TB. A comparison of the nicotine lozenge and nicotine gum: an effectiveness randomized controlled trial. WMJ. 2008 Aug; 107(5):237-43.