Heru Purnomo 2026. Effect of Preoperative Education on Anxiety and Stability of Vital Signs of Preoperative Patients in Siti Rahmah Padang Hospital. Professional Evidence-based Research and Advances in Wellness and Treatment . 3, 1 (Jan. 2026), 38–51. DOI:https://doi.org/10.69855/perawat.v3i1.401.