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Leeman, Robert F., Zandra N. Quiles, Laurence A. Molinelli, Donna Medaglia Terwal, Beth L. Nordstrom, Arthur J. Garvey, and Taru Kinnunen. Attrition in a Multi-Component Smoking Cessation Study for Females. BioMed Central, 2006.

Leeman, Robert F., et al. Attrition in a Multi-Component Smoking Cessation Study for Females. BioMed Central, 2006.