Adult Aged Alkaline Phosphatase--blood Analysis of Variance Anticholesteremic Agents--therapeutic use Blood Pressure Body Weight Clinical Trials as Topic Clofibrate--therapeutic use Diet Ethers, Cyclic--therapeutic use Female Humans Hypercholesterolemia--drug therapy Ion Exchange Resins--therapeutic use Lipoproteins--blood Male Middle Aged Placebos Polyamines--therapeutic use Pulse Triglycerides--blood