Annazilli F, Hambali H, Suparmadi S. IMPLEMENTATION OF CERTAINTY FACTOR METHOD TO IDENTIFY GASTROESOPHAGEAL REFLUX DISEASE (GERD) AT PUSKESMAS SIDODADI. jit [Internet]. 2023 Jan. 11 [cited 2026 Feb. 22];17(1):66-71. Available from: https://publikasi.lldikti10.id/index.php/jit/article/view/1594