Re-Evaluating the Effect of Preoperative Tranexamic Acid on Blood Loss and Field Quality During Rhinoplasty: A Randomized Double-Blinded Controlled Trial.

LEVEL I, RANDOMIZED CONTROLLED TRIAL.: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .