- Changes in food reward following smoking cessation: a pharmacogenetic investigation. Lerman, C., Berrettini, W., Pinto, A., Patterson, F., Crystal-Mansour, S., Wileyto, E.P., Restine, S.L., Leonard, D.G., Shields, P.G., Epstein, L.H. Psychopharmacology (Berl.) (2004)