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I am grateful to Dr. Hui-Zi Li for his professional support.
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Huang, GJ. Occult lymph node metastasis in the contralateral neck of oropharyngeal squamous cell carcinoma. Eur Arch Otorhinolaryngol 279, 2203–2204 (2022). https://doi.org/10.1007/s00405-022-07293-y
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DOI: https://doi.org/10.1007/s00405-022-07293-y