Low molecular weight heparin inhibits
Prophylaxis of neural tube defects require treatment with folic acid.
Methotrexate toxicity can be prevented by 5′-formyltetrahydrofolate (folinic acid).
Pernicious anemia requires the therapy with vitamin B12
Anemia associated with chronic renal failure is treated with erythropoietin.
Factor Xa
Factor Xa and II a
Factor II a
Factors II, VII, IX and X