The use of measured genotype information in the analysis of quantitative phenotype in man. II. The role of apolipoprotein E polymorphism in determining levels, variability and covariability of cholesterol, beta-lipoprotein and triglycerides in a sample of unrelated individuals - Boerwinkle, E; Visvikis, S; Welsch, D; Steinmetz, S; Hanash, S; Sing, CF (Am J Med Genet, 1989)