A vaccine against nicotine for smoking cessation: a randomized controlled trial. by Cornuz, J, Zwahlen, S, Jungi, W, Osterwalder, J, Klingler, K, van Melle, G, Bangala, Y, Guessous, I, Müller, P, Willers, J, Maurer, P, Bachmann, M, Cerny, T