1. Abuzarova G.R. Cancer pain: facets of a problem. Medical Council. 2018; 19: 97-100. (in Russian). doi: 10.21518/2079-701X-2018-10-97-100.
2. Paravina E.V Pain medications in oncology. Consilium Medicum. 2014; 10: 53-56. (in Russian).
3. PakhomovaI.G., KuchminA.N., PavlovaE.Yu. Nonsteroidal anti-inflammatory drugs in acute pain: consensus of efficacy and safety. Russian Medical Journal. 017; 21: 1537-1542. (in Russian).
4. Kaminskaya I.A., Tyurenkov I.N. Administrative and organizational aspects of functioning of the system of availability narcotic and psychotropic medicinal preparations for patients who need them. Pharmacy & Pharmacology. 2016: 6(4): 72-83. (in Russian). doi: 10.19163/2307-9266-2016-72-83
5. Zhdanov V.V., Dygay A.M., Lopatina K.S., Zueva E.P., Razina T.G., Malykhin V.V., Sysolyatin S.V., Amosova E.N., Krylova S.G., KalashnikovA.I., Rybalkina O.Yu., VorozhtsovA.B., ZhukovA.S. 4-(3,4-dibromothiophene carbonyl)-2,6,8,12-tetraacetyl-2,4,6,8,10,12-hexaazat etracyclo[5,5,0,03,11,05,9]dodecane as analgesic agent and method for production thereof. Patent № 2565766 of the Russian Federation, IPC C07D 487/22, A61P 29/00 № 2014146024/04; Declared 17 Nov 2014. Publ. 10.20.2015, Bull. No 29. (in Russian).