APA-referens (7:e uppl.)

Não informado. (2016). Spine-Affiliated Society Meeting Abstracts. Lippincott Williams & Wilkins.

Chicago-referens (17:e uppl.)

Não informado. Spine-Affiliated Society Meeting Abstracts. Philadelphia, Pa: Lippincott Williams & Wilkins, 2016.

MLA-referens (8:e uppl.)

Não informado. Spine-Affiliated Society Meeting Abstracts. Lippincott Williams & Wilkins, 2016.

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