For citations:
Kaprin A.D., Abuzarova G.R., Nevzorova D.V., Alekseeva G.S., Gameeva E.V., Gevorkov A.R., Bychkova N.M., Sarmanayeva R.R., Kuznetcov S.V. New WHO guidelines for cancer pain in adults and adolescents. Research and Practical Medicine Journal. 2021;8(2):90-108. (In Russ.) https://doi.org/10.17709/2410-1893-2021-8-2-9