Vencio RM, Cruz ETS. An Improvised Tracheostoma Button Fabricated from Disposable Plastic Syringe. Philipp J Otolaryngol Head Neck Surg [Internet]. 2009 Jun. 15 [cited 2024 Apr. 25];24(1):27-31. Available from: https://pjohns.pso-hns.org/index.php/pjohns/article/view/711