Perdana RF. Transnasal Esophagoscopy Examination in Outpatient Unit, Department of Otorhinolaryngology Head and Neck Surgery, Dr. Soetomo Hospital, Surabaya. FMI [Internet]. 2020 Mar. 31 [cited 2024 Nov. 27];56(1):75-81. Available from: https://e-journal.unair.ac.id/FMI/article/view/24616