Khanna AK, O'Connell NS, Ahuja S, Saha AK, Harris L, Cusson BD, Faris A, Huffman CS, Vallabhajosyula S, Clark CJ, Segal S, Wells BJ, Kirkendall ES, Sessler DI. Incidence, severity and detection of blood pressure and heart rate perturbations in postoperative ward patients after noncardiac surgery. J Clin Anesth. 2023 Jun 07; 89:111159.