APA

Chang P., Chiang C., Ho W., Wu P., Tsai J. & Guo F. (20160203). Combination therapy of varenicline with nicotine replacement therapy is better than varenicline alone: a systematic review and meta-analysis of randomized controlled trials. : BMC public health.

Chicago

Chang Ping-Hsun, Chiang Chien-Hsieh, Ho Wei-Che, Wu Pei-Zu, Tsai Jaw-Shiun and Guo Fei-Ran. 20160203. Combination therapy of varenicline with nicotine replacement therapy is better than varenicline alone: a systematic review and meta-analysis of randomized controlled trials. : BMC public health.

Harvard

Chang P., Chiang C., Ho W., Wu P., Tsai J. and Guo F. (20160203). Combination therapy of varenicline with nicotine replacement therapy is better than varenicline alone: a systematic review and meta-analysis of randomized controlled trials. : BMC public health.

MLA

Chang Ping-Hsun, Chiang Chien-Hsieh, Ho Wei-Che, Wu Pei-Zu, Tsai Jaw-Shiun and Guo Fei-Ran. Combination therapy of varenicline with nicotine replacement therapy is better than varenicline alone: a systematic review and meta-analysis of randomized controlled trials. : BMC public health. 20160203.