Clinical Recommendations Using Levels of Evidence for Antithrombotic Agents
Deborah J. Cook
,
Gordon H. Guyatt
,
A. Laupacis
,
Deborah J. Cook
,
Gordon H. Guyatt
,
A. Laupacis
,
David L. Sackett
,
Robert J. Goldberg
1995
CHEST Journal
281 citations