Nguyen S T, Cabrales R E, Bashour C A, Rosenberger T E, Michener J A, Yared J P, Starr N J
Department of Cardiothoracic Anesthesia, The Cleveland Clinic Foundation, Cleveland, OH 44195, USA.
Anesth Analg. 2000 Feb;90(2):369-71. doi: 10.1097/00000539-200002000-00024.