Dynyak, Andrey. “Peptic Ulcer Disease : Can a Behavioral Factor Be Implicated?”. Jurnal Profesi Medika : Jurnal Kedokteran dan Kesehatan 14, no. 2 (November 5, 2020). Accessed April 29, 2024. https://ejournal.upnvj.ac.id/JPM/article/view/1948.