warfarin Humans 4 acetylsalicylic acid 4 clopidogrel 4 human 4 Aneurysm 2 Angioplasty 2 Anti-aggregant 2 Anticoagulant 2 Anticoagulants 2 Aorta 2 Aortic Aneurysm 2 Aortic Valve Stenosis 2 Bentall procedure 2 Blood Vessel Prosthesis Implantation 2 Brain Ischemia 2 Cerebral infarction 2 Cerebrovascular disease 2 Clinical Trials 2 Coronary Stenosis 2 Coronary Vessels 2 Coronary angiography 2 Drug Combinations 2 Formaldehyde 2 Gelatin 2 Heart Valve Prosthesis Implantation 2 Hemostasis, Surgical 2 Male 2 Middle Aged 2 Myocardial Ischemia 2