Remzi DALAY; A. Sedat BOYACIOĞLU; Bahri ATEŞ; M. Emin CANER; Fatih HİLMİOĞLU; Burhan ŞAHİN. POLYETHYLENE BALLOON DILATION IN THE TREATMENT OF ACHALASIA. Turkish Journal of Gastroenterology 2020, 3, 363-365.