Kalinchuk, O. O., T. G. Korol, S. S. Blazhko, and N. U. Kosechenko. “Refractory Neuroblastoma, Victory over Pain (clinical Case)”. Pain Medicine, Vol. 3, no. 4, Feb. 2019, pp. 64-58, doi:10.31636/pmjua.v3i4.4.