López-Núñez, Carla Income Levels and Response to Contingency Management for Smoking Cessation. [electronic resource] - Substance use & misuse 06 2017 - 875-883 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 1532-2491 Standard No.: 10.1080/10826084.2016.1264973 doi Subjects--Topical Terms: AdultCognitive Behavioral Therapy--methodsFemaleHumansIncomeMaleMiddle AgedSmoking Cessation--economicsTreatment OutcomeYoung Adult