Variation at the angiotensin-converting enzyme and endothelial nitric oxide synthase genes is associated with the risk of esophageal varices among patients with alcoholic cirrhosis

1. Coto, E.
2. Rodrigo, L.
3. Alvarez, R.
4. Fuentes, D.
5. Rodríguez, M.
6. Menéndez, L.G.
7. Ciriza, C.
8. González, P.
9. Alvarez, V.