Catatan Kaki

b Lihat The Journal of Thoracic and Cardiovascular Surgery, Jilid 134, No. 2, hlm. 287-288; Texas Heart Institute Journal, Jilid 38, No. 5, hlm. 563; Basics of Blood Management, hlm. 2; dan Continuing Education in Anaesthesia, Critical Care & Pain, Jilid 4, No. 2, hlm. 39.