Bardia Amit, Montealegre-Gallegos Mario, Owais Khurram, Mahmood Feroze
Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
Ann Card Anaesth. 2014 Jul-Sep;17(3):240-1. doi: 10.4103/0971-9784.135880.