بەت ئاستى ئىزاھاتى

b See The Journal of Thoracic and Cardiovascular Surgery, Volume 134, No. 2, pp. 287-228; Texas Heart Institute Journal, Volume 38 , No. 5, p. 563; Basics of Blood Management, p. 2; and Continuing Education in Anaesthesia, Critical Care & Pain, Volume 4, No. 2, p. 39.