COMPARATIVE-STUDY (DOUBLE-BLIND, RANDOMIZED) OF SLOW RELEASE NIFEDIPINE, ACEBUTOLOL AND A COMBINATION OF THE 2 DRUGS IN THE TREATMENT OF ARTERIAL-HYPERTENSION

1. VELASCO, M
2. KOBELT, R
3. ARIAS, F
4. BUSTAMANTE, A
5. MORILLO, J
6. URBINA, A
7. HERNANDEZ, Q