A. Devianto, M. Afrida, and N. Nurningsih, “T The Relationship Between Gastrointestinal Endoscopy and Patient Anxiety Levels at Yogyakarta City Regional Hospital: Hubungan Tindakan Endoskopi Saluran Cerna Dengan Tingkat Kecemasan Pasien Di RSUD Kota Yogyakarta”, Jour, Nurs, Invent, vol. 5, no. 1, pp. 65–71, Jun. 2024.