Marie T.M.T.O’TooleMarie T.M.T. (red.), Mosby’s Medical Dictionary, wyd. 9, St. Louis: Elsevier/Mosby, 2013, s. 1306, ISBN 978-0-323-08541-0, OCLC788298656.
DonaldD.VenesDonaldD. (red.), Taber's cyclopedic medical dictionary, wyd. 23, Philadelphia: Davis Company, F.A., 2017, s. 34, ISBN 978-0-8036-5940-7, OCLC973541122.