Maelezo ya Chini
b Ona vitabu The Journal of Thoracic and Cardiovascular Surgery, Buku ya 134, Na. 2, uku. 287-288; Texas Heart Institute Journal, Buku ya 38, Na. 5, uku. 563; Basics of Blood Management, uku. 2; na Continuing Education in Anaesthesia, Critical Care & Pain, Buku ya 4, Na. 2, uku. 39.