Herrera, N Nicotine gum, 2 and 4 mg, for nicotine dependence. A double-blind placebo-controlled trial within a behavior modification support program. [electronic resource] - Chest Aug 1995 - 447-51 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0012-3692 Standard No.: 10.1378/chest.108.2.447 doi Subjects--Topical Terms: AdultBehavior Therapy--methodsChewing GumCombined Modality TherapyCotinine--analysisDose-Response Relationship, DrugDouble-Blind MethodFemaleHumansMaleNicotine--administration & dosageSaliva--chemistrySmoking Cessation--methodsSubstance-Related Disorders--metabolismTime FactorsTreatment Outcome