Devianto, Aan, Maryudella Afrida, and Nurningsih Nurningsih. 2024. “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”. Journal of Nursing Invention 5 (1):65-71. https://doi.org/10.33859/jni.v5i1.552.