The relationship of mutations in the MTHFR, Prothrombin, and PAI-1 Genes to plasma levels of Homocysteine, Prothrombin, and PAI-1 levels in Children and Adults - Balasa, VV; Gruppo, R; Glueck, CJ; Stroop, D; Becker, A; Pillow, A; Wang, P (Thromb Haemost, 1999)