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.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.