Varenicline for smoking cessation in schizophrenia: Safety and effectiveness in a 12-week open-label trial.
Pachas, G.N., Cather, C., Pratt, S.I., Hoeppner, B., Nino, J., Carlini, S. V., Achtyes, E.D., Lando, H., Mueser, K.T., Rigotti, N.A., Goff, D.C., & Evins, A. E. (2012). 
Journal of Dual Diagnosis,
8(2), 117-125.