Abstract 1 http://www.nejm.org/doi/full/10.1056/NEJMoa1401105 POISE-2 Aspirin in Patients Undergoing Noncardiac Surgery http://www.nejm.org/doi/full/10.1056/NEJMoa1401105 POISE-2 trial Full Text http://www.nejm.org/doi/full/10.1056/NEJMoa1401105