Rationale and design of the International Verapamil SR/Trandolapril Study (INVEST): an Internet-based randomized trial in coronary artery disease patients with hypertension - Pepine, CJ; Handberg-Thurmond, E; Marks, RG; Conlon, M; Cooper-DeHoff, R; Volkers, P; Zellig, P (J Am Coll Cardiol, 1998)