One-year Results of a Factorial Randomized Trial of Aspirin vs. Placebo and Clonidine vs. Placebo in Patients Having Noncardiac Surgery 23 Mar, 2020 | 00:53h | UTC One-year Results of a Factorial Randomized Trial of Aspirin versus Placebo and Clonidine versus Placebo in Patients Having Noncardiac Surgery – Anesthesiology (free)