Não informado. (2015). The Clinical Journal of Pain. Lippincott Williams & Wilkins.
Lua i Stíl Chicago (17ú heag.)Não informado. The Clinical Journal of Pain. Hagerstown, Md: Lippincott Williams & Wilkins, 2015.
Lua MLA (8ú heag.)Não informado. The Clinical Journal of Pain. Lippincott Williams & Wilkins, 2015.
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