Pɩ-tɛɛ tɔm

b Kalɩ takayaɣ ŋga payaɣ se The Journal of Thoracic and Cardiovascular Surgery, vol. 134, no 2, p. 287-288; Texas Heart Institute Journal, vol. 38, no 5, p. 563; Basics of Blood Management, p. 2; et Continuing Education in Anaesthesia, Critical Care & Pain, vol. 4, no 2, p. 39.