Hyperhomocysteinemia Homocysteine 8 Humans 8 homocysteine 8 human 8 hyperhomocysteinemia 8 priority journal 8 article 6 controlled study 6 risk factor 6 Aged 4 Case-Control Studies 4 Female 4 Folic Acid 4 Male 4 Middle Aged 4 N-homocysteinylation 4 adult 4 female 4 major clinical study 4 male 4 metabolism 4 vein thrombosis 4 5,10 methylenetetrahydrofolate reductase (FADH2) 2 Adult 2 Age Distribution 2 Aged, 80 and over 2 Anticoagulant treatment 2 Anticoagulants 2 Article 2