International Stroke Trial Collaborative Group
The International Stroke Trial (IST): a randomised trial of
aspirin, subcutaneous heparin, both, or neither among 19345
patients with acute ischaemic stroke
Lancet
(May) 349:1569-1581 1997

The abstract of this paper is available from the Lancet. There is also an
accompanying
editorial.
However, you must register at the Lancet site first (you can get there via
the home page
of HDCN). Once you have registered, click
here for the abstract. and click
here for the editorial.