B Farrell

The International Stroke Trial (IST): a randomised trial of aspirin, subcutaneous heparin, both, or neither among 19 435 patients with acute ischaemic stroke

Peter Sandercock, Joanna Wardlaw, G Middleton, 1997, The Lancet.

The United Kingdom transient ischaemic attack (UK-TIA) aspirin trial: final results.

C Warlow, B. Farrell, C. Warlow, 1991, Journal of neurology, neurosurgery, and psychiatry.