Saputra, Mahruri, Ikhsanuddin Ahmad Harahap, and Sutomo Kasiman. “Valsalva Maneuver to Decrease Pain Intensity During Arteriovenous Fistula Insertion in Hemodialysis Patients”. Jurnal Keperawatan Indonesia 23, no. 2 (July 31, 2020): 136–144. Accessed May 9, 2024. https://jki.ui.ac.id/index.php/jki/article/view/932.