Não informado. (2010). Journal of Spinal Disorders & Techniques. Lippincott Williams & Wilkins.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Spinal Disorders & Techniques. Hagerstown, Md: Lippincott Williams & Wilkins, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Spinal Disorders & Techniques. Lippincott Williams & Wilkins, 2010.
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