ACTION, 2004 | Multilink Tetra stent (n=241) vs. uncoated Multilink Tetra stent (n=119) | Patients with stable angina pectoris orsilent ischemia and a single de novo lesion in a nativecoronary artery >=3.0 mm and <=4.0 mm in diameter thatcould be covered by an 18-mm stent | single-blind Parallel groups Sample size: 241/119 Primary endpoint: major adverse cardiac events at 30d FU duration: 6 months |