Randomized Controlled Trial

Efficacy and safety of noninvasive positive pressure ventilation in the treatment of acute respiratory failure after cardiac surgery.

Chinese Med J Peking. 2013 Dec 1;126(23):4463-9.
Observational Study

Clinical characteristics associated with readmission among patients undergoing vascular surgery.

J. Vasc. Surg. 2014 May 1;59(5):1349-55.
Article

Prospective evaluation of patients readmitted after cardiac surgery: analysis of outcomes and identification of risk factors.

J. Thorac. Cardiovasc. Surg.. 2014 Mar 1;147(3):1013-8.