Effects of α tocopherol and β carotene supplements on symptoms, progression, and prognosis of angina pectoris
J M Rapola, J Virtamo, S Ripatti, J K Haukka, J K Huttunen, D Albanes, P R Taylor, O P Heinonen
Heart May 1998, 79 (5) 454-458; DOI: 10.1136/hrt.79.5.454