Mazur, Rafał, Sebastian Masternak, Michał Pająk, Nikodem Skoczeń, Ewelina Soroka, and Marcin Olajossy. “Can the Use of Varenicline Improve the Efficacy of Pharmacotherapy for Nicotine Addiction?”. Current Problems of Psychiatry 20, no. 1 (June 28, 2019): 21–34. Accessed August 5, 2025. https://czasopisma.umlub.pl/cpp/article/view/1950.