Hohs K, Morettin C. Acute Horner syndrome from supraclavicular lymphadenopathy as the first manifestation of metastatic lung carcinoma . Can J Optom [Internet]. 2025 Jun. 26 [cited 2025 Jun. 28];87(2):11-25. Available from: https://openjournals.uwaterloo.ca/index.php/cjo/article/view/6207