1. Primary prevention of arterial thromboembolism in non-rheumatic atrial fibrillation in primary care: randomised controlled trial comparing two intensities of coumarin with aspirin. Issue 7215 (9th October 1999) Authors: Hellemons, B S P; Langenberg, M; Lodder, J; Vermeer, F; Schouten, H J A; Lemmens, Th; van Ree, J W; Knottnerus, J A Journal: BMJ Issue: Volume 319:Issue 7215(1999) Page Start: 958 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗