Bergin, Michael; Elliott, James; Jull, Gwendolen (2011). “The Case of the Missing Lower Trapezius Muscle”. 《Journal of Orthopaedic & Sports Physical Therapy》 41 (8): 614. doi:10.2519/jospt.2011.0416. PMID21808102.
Yiyit, N; Işıtmangil, T; Oztürker, C (November 2014). “The abnormalities of trapezius muscle might be a component of Poland's syndrome.”. 《Medical Hypotheses》 83 (5): 533–6. doi:10.1016/j.mehy.2014.09.007. PMID25257706.
Bergin, Michael; Elliott, James; Jull, Gwendolen (2011). “The Case of the Missing Lower Trapezius Muscle”. 《Journal of Orthopaedic & Sports Physical Therapy》 41 (8): 614. doi:10.2519/jospt.2011.0416. PMID21808102.
Yiyit, N; Işıtmangil, T; Oztürker, C (November 2014). “The abnormalities of trapezius muscle might be a component of Poland's syndrome.”. 《Medical Hypotheses》 83 (5): 533–6. doi:10.1016/j.mehy.2014.09.007. PMID25257706.
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Bakkum, Barclay W.; Cramer, Gregory D. (2014년 1월 1일), Cramer, Gregory D.; Darby, Susan A., 편집., “Chapter 4 - Muscles That Influence the Spine”, 《Clinical Anatomy of the Spine, Spinal Cord, and Ans (Third Edition)》 (영어) (Saint Louis: Mosby), 98–134쪽, ISBN978-0-323-07954-9, 2021년 1월 8일에 확인함