Blair, Steven N; Capuzzi, David M; Gottlieb, Sidney O; Nguyen, Tu; Morgan, John M; Cater, Nilo B (July 2000). "Incremental reduction of serum total cholesterol and low-density lipoprotein cholesterol with the addition of plant stanol ester-containing spread to statin therapy". The American Journal of Cardiology. 86 (1): 46–52. doi:10.1016/S0002-9149(00)00976-0. PMID10867091.
Blair, Steven N; Capuzzi, David M; Gottlieb, Sidney O; Nguyen, Tu; Morgan, John M; Cater, Nilo B (July 2000). "Incremental reduction of serum total cholesterol and low-density lipoprotein cholesterol with the addition of plant stanol ester-containing spread to statin therapy". The American Journal of Cardiology. 86 (1): 46–52. doi:10.1016/S0002-9149(00)00976-0. PMID10867091.