* Standring, Susan, ed. (2016). Gray's Anatomy: The Anatomical Basis of Clinical Practice (Forty first edición). [Philadelphia]: Churchill Livingstone. ISBN 978-0-7020-5230-9 | * Standring, Susan, ed. (2016). Gray's Anatomy: The Anatomical Basis of Clinical Practice (Forty first edición). [Philadelphia]: Churchill Livingstone. ISBN 978-0-7020-5230-9 |