Esme P, Beksac B, Akoglu G, Caliskan E. Facial Bier Spots Unresponsive to Botulinum Toxin: A Case Series. Dermatol Pract Concept [Internet]. 2023 Jan. 31 [cited 2026 Apr. 20];13(1):e2023032. Available from: https://dpcj.org/index.php/dpc/article/view/2488