Footnote
b The Journal of Thoracic and Cardiovascular Surgery, Volume 134, No. 2, p. 287-288-na te; Texas Heart Institute Journal, Volume 38, No. 5, p. 563-na te; Basics of Blood Management, p. 2-na te; leh Continuing Education in Anaesthesia, Critical Care & Pain, Volume 4, No. 2, p. 39-na te en rawh.