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Fan LL, Campbell DN, Clarke DR, Washington RL, Fix EJ, White CW (October 1989). "Paralyzed left vocal cord associated with ligation of patent ductus arteriosus". The Journal of Thoracic and Cardiovascular Surgery. 98 (4): 611–3. doi:10.1016/S0022-5223(19)34364-8. PMID2796367.
Rubens F, Goldstein W, Hickey N, Dennie C, Keon W (May 1989). "Hoarseness Secondary to Left Atrial Myxoma". Chest. 95 (5): 1139–1140. doi:10.1378/chest.95.5.1139. PMID2651037.
Woodson GE, Kendrick B (1 September 1989). "Laryngeal Paralysis as the Presenting Sign of Aortic Trauma". Archives of Otolaryngology–Head & Neck Surgery. 115 (9): 1100–1102. doi:10.1001/archotol.1989.01860330090024. PMID2765228.
Khan IA, Wattanasauwan N, Ansari AW (July 1999). "Painless aortic dissection presenting as hoarseness of voice: cardiovocal syndrome: Ortner's syndrome". The American Journal of Emergency Medicine. 17 (4): 361–3. doi:10.1016/s0735-6757(99)90087-6. PMID10452434.
Mulpuru SK, Vasavada BC, Punukollu GK, Patel AG (February 2008). "Cardiovocal Syndrome: A Systematic Review". Heart, Lung and Circulation. 17 (1): 1–4. doi:10.1016/j.hlc.2007.04.007. PMID18055261.
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Hirata M, Sunahori-Watanabe K, Isihara M, Shibuto N, Hiramatsu S, Miyawaki Y, et al. (2 January 2018). "Cardiovocal syndrome (Ortner syndrome) associated with secondary pulmonary arterial hypertension in a patient with mixed connective tissue disease". Modern Rheumatology Case Reports. 2 (1): 54–58. doi:10.1080/24725625.2017.1368436. S2CID79987859.