Kaynar A M, Bhavani-Shankar K, Mushlin P S
Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA.
Anesth Analg. 1999 Dec;89(6):1573-5. doi: 10.1097/00000539-199912000-00050.