A. E. Karelov, A. A. Ryazankina, E. A. Khokhlova, G. N. Vasilieva, and V. A. Semkichev, “Adenosine triphosphate infusion in patients with cancer pain: a pilot study”, Annals of Critical Care, no. 4, pp. 115–121, Jan. 2022, doi: 10.21320/1818-474X-2021-4-115-121.