Combination Doxycycline and Topical Corticosteroids in the Treatment of Ulcerative Pyoderma Gangrenosum: A Case Report. Acta Med Philipp [Internet]. 2024 Sep. 30 [cited 2025 Apr. 24];58(17). Available from: https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/7462