• Henry Gray (1918) Anatomy of the Human Body (See "Book" section below)
• Bartleby.com: Gray's Anatomy, Plate 506
• ต้นฉบับภาษาอังกฤษที่ไฟล์ Gray506.svg ของ Rhcastilhos
• แปลเป็นภาษาไทยโดย th:ผู้ใช้:Slentee

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