Efficacy and safety of ezetimibe added to ongoing statin therapy for treatment of patients with primary hypercholesterinemia. - Gagne,C.; Bays,H.E.; Weiss,S.R.; Mata,P.; Quinto,K.; Melino,M.; Cho,M.; Musliner,T.A.; Gumbiner,B. (Am J Cardiol, 2002)