Maelezo ya Chini
b Ne The Journal of Thoracic and Cardiovascular Surgery, Volume 134, Na. 2, ite mar 287-288; Texas Heart Institute Journal, Volume 38, Na. 5, ite mar 563; Basics of Blood Management, ite mar 2; kod Continuing Education in Anaesthesia, Critical Care & Pain, Volume 4, Na. 2, ite mar 39.