Genetic variation at the (α-fibrinogen locus in relation to plasma fibrinogen concentrations and risk of myocardial infarction: the ECTIM study - Scarabin, P Y; Bara, L; Ricard, S; Poirier, O; Cambou, J P; Arveiler, D; Luc, G; Evans, A E; Samama, M M; Cambien, F (Arterioscler Thromb, 1993)