Nòt anba paj

b Gade The Journal of Thoracic and Cardiovascular Surgery, volim 134, n^o 2, paragraf 287-288; Texas Heart Institute Journal, volim 38, n^o 5, p. 563; Basics of Blood Management, p. 2; ak Continuing Education in Anaesthesia, Critical Care & Pain, volim 4, n^o 2, p. 39.