Variations of angiotensin converting enzyme in chronic obstructive pulmonary disease and chronic respiratory insufficiency

1. Muñoz, J.
2. González, J.M.
3. de Ramón, A.
4. García, J.L.
5. Ortega, B.
6. Martínez, I.
7. Madero, R.
8. Sánchez, F.
9. Villamor, J.