Relationship between Anxiety and Epigastric Pain and Postprandial Distress Syndrome in Medical Students of Halu Oleo University Kendari Rizqi Rayyan Shaffana, Pranita Aritrina S, Edy Husnul Mujahid MEDULA (JURNAL ILMIAH FAKULTAS KEDOKTERAN UNIVERSITAS HALU OLEO) Vol. 12 No. 2 2026 DOI 10.46496/medula.v12i2.55