Hlamuselo ya le hansi

b Vona The Journal of Thoracic and Cardiovascular Surgery, Vholumi 134, N.^o 2, mapaj. 287-288; Texas Heart Institute Journal, Vholumi 38, N.^o 5, paj. 563; Basics of Blood Management, paj. 2; ni Continuing Education in Anaesthesia, Critical Care & Pain, Vholumi 4, N.^o 2, paj. 39.