1. Over one quarter of patients required revision surgery (including conversion to another procedure, corrective surgery, and reversal surgery) after...

1. Aspirin combined with warfarin was linked with increased bleeding but not less thromboembolism compared with aspirin alone after bioprosthetic...

1. In this blinded, randomized controlled trial, medical therapy guided by invasive coronary function testing offered greater improvements in angina...

1. In this systematic review and meta-analysis, history of concussion or mild traumatic brain injury was associated with a two-fold...

1. In this pre-planned secondary analysis of a large prospective study, symptom improvement after concussion occurred primarily in the first...

1. In this retrospective cohort study looking at patients admitted to hospital with acute kidney injury, use of angiotensin-converting enzyme...

1. In this retrospective cohort study, continuous (84/7) or extended (365/0) cycle regimens of combined oral contraceptives were not linked...

1. In this prespecified secondary analysis of a randomized controlled trial, patients with acute coronary syndrome (ACS) who received a...