Civeira, F. Cenarro, A. Ferrando, J. Puzo, J. Garcia-Otin, A. L. Mozas, P. Pocovi, M. Comparison of the hypolipidemic effect of gemfibrozil versus simvastatin in patients with type III hyperlipoproteinemia Am. heart j. 10.1016/S0002-8703(99)70262-0 1999 1999