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b Sisya ĩvuku The Journal of Thoracic and Cardiovascular Surgery, Volume 134, No. 2, ĩthangũ ya 287-288; Texas Heart Institute Journal, Volume 38, No. 5, ĩthangũ ya 563; Basics of Blood Management, ĩthangũ ya 2; na ĩvuku Continuing Education in Anaesthesia, Critical Care & Pain, Volume 4, No. 2, ĩthangũ ya 39.