Saputra, M., Harahap, I.A. and Kasiman, S. 2020. Valsalva Maneuver to Decrease Pain Intensity During Arteriovenous Fistula Insertion in Hemodialysis Patients. Jurnal Keperawatan Indonesia. 23, 2 (Jul. 2020), 136–144. DOI:https://doi.org/10.7454/jki.v23i2.645.