title: Letter: Lipid research clinic program.
mesh_terms: D000328:Adult; D002170:Canada; D006331:Heart Diseases / Q000517:prevention & control*; D006801:Humans; D006937:Hypercholesterolemia / Q000150:complications* / Q000628:therapy; D008297:Male; D008875:Middle Aged; D010349:Patient Compliance; D012106:Research