Small, dense LDL and elevated apolipoprotein B are the common characteristics for the three major lipid phenotypes of familial combined hyperlipidemia - Ayyobi,A.F.; McGladdery,S.H.; McNeely,M.J.; Austin,M.A.; Motulsky,A.G.; Brunzell,J.D. (Arterioscler Thromb Vasc Biol, 2003)