Feasibility, acceptability, and preliminary efficacy of smartphone-based virtual reality relaxation in chemotherapy patients: A pilot study - Gautama, Made Satya Nugraha; Haryani, Haryani; Huang, Tsai Wei; Pertiwi, Ariani Arista Putri; Sholihatun, Devi Rohmah; Noviana, Uki (Nursing Practice Today, 2024)