Sanchez, Romeo C., Benjamin SA. Campomanes, and Natividad A. Aguilar. 2006. “Low Dose, Short-Term Oral Methylprednisolone for Nasal Polyps: A Randomized Double-Blind Placebo-Controlled Trial”. Philippine Journal of Otolaryngology Head and Neck Surgery 21 (1-2):24-27. https://doi.org/10.32412/pjohns.v21i1-2.825.