K. Nur Azizah, M. Tania Gabriel Ching Cing, R. Annisa, and T. Hardiyani, “The Effect of Rhythmic Breathing Distraction on The Anxiety Level of Preoperative Patients Under General Anesthesia at Wijayakusuma Hospital, Purwokerto”, IJHP, vol. 6, no. 1, pp. 475–479, Mar. 2026.