Sequence variants at CHRNB3-CHRNA6 and CYP2A6 affect smoking behavior. od Thorgeirsson, T, Gudbjartsson, D, Surakka, I, Vink, J, Amin, N, Geller, F, Sulem, P, Rafnar, T, Esko, T, Walter, S, Gieger, C, Rawal, R, Mangino, M, Prokopenko, I, Mägi, R, Keskitalo, K, Gudjonsdottir, I, Gretarsdottir, S, Stefansson, H, Thompson, JR, Aulchenko, Y, Nelis, M, Aben, K, den Heijer, M, Dirksen, A, Ashraf, H, Soranzo, N, Valdes, A, Steves, C, Uitterlinden, A, Hofman, A, Tönjes, A, Kovacs, P, Hottenga, J, Willemsen, G, Vogelzangs, N, Döring, A, Dahmen, N, Nitz, B, Pergadia, M, Saez, B, De Diego, V, Lezcano, V, Garcia-Prats, MD, Ripatti, S, Perola, M, Kettunen, J, Hartikainen, A, Pouta, A, Laitinen, J, Isohanni, M, Huei-Yi, S, Allen, M, Krestyaninova, M, Hall, A, Jones, G, van Rij, A, Mueller, T, Dieplinger, B, Haltmayer, M, Jonsson, S, Matthiasson, SE, Oskarsson, H, Tyrfingsson, T, Kiemeney, L, Mayordomo, J, Lindholt, J, Pedersen, J, Franklin, W, Wolf, H, Montgomery, G, Heath, A, Martin, N, Madden, P, Giegling, I, Rujescu, D, Järvelin, MR, Salomaa, V, Stumvoll, M, Spector, T, Wichmann, H, Metspalu, A, Samani, N, Penninx, B, Oostra, B, Boomsma, D, Tiemeier, H, van Duijn, C, Kaprio, J, Gulcher, JR, McCarthy, M, Peltonen, L, Thorsteinsdottir, U, Stefansson, K