Standring, Susan (2020). Gray's Anatomy: The Anatomical Basis of Clinical Practice (42th ed.). New York. pp. 680–680.e1. ISBN978-0-7020-7707-4. OCLC1201341621.{{cite book}}: CS1 maint: location missing publisher (link)
Gray, Henry (2015). Gray's Anatomy : The Anatomical Basis of Clinical Practice. Standring, Susan (41 ed.). Philadelphia: Elsevier. pp. 544, 551. ISBN978-0-7020-5230-9. OCLC920806541.