![Efficacy of Varenicline Combined With Nicotine Replacement Therapy vs Varenicline Alone for Smoking Cessation]()
Efficacy of Varenicline Combined With Nicotine Replacement Therapy vs Varenicline Alone for Smoking CessationKoegelenberg, Coenraad F. N.; Noor, Firdows; Bateman, Eric D.; van Zyl-Smit, Richard N.; Bruning, Axel; O’Brien, John A.; Smith, Clifford; Abdool-Gaffar, Mohamed S.; Emanuel, Shaunagh; Esterhuizen, Tonya M.; Irusen, Elvis M. · JAMA · 2014