Absence of linkage between Type III protein S deficiency and the PROS1 and C4BP genes in families carrying the protein S Heerlen Allele - Espinosa-Parrilla, Y; Morell, M; Souto, JC; Borrell, M; Heine-Suñer, D; Tirado, I; Volpini, V; Estivill, X; Sala, N (Blood, 1997)