Pharmacokinetics of Nicotine Sublingual Tablets Versus Nicorette Lozenge in Healthy Smokers

"* One dose of study drug (sublingual tablet or Nicorette Lozenge) will be administered to each subject in the morning on Day 1.~* The second administration of drug will occur at least 48 hours after the initial administration. Subjects will receive the other dosage form and be instructed according to whether they are receiving the sublingual tablet or the lozenge."