Combination therapy of varenicline with nicotine replacement therapy is better than varenicline alone: a systematic review and meta-analysis of randomized controlled trials

por Chang, Ping-Hsun, Chiang, Chien-Hsieh, Ho, Wei-Che, Wu, Pei-Zu, Tsai, Jaw-Shiun, Guo, Fei-Ran
Publicado 2015