For citations:
Kogan S.A., Erdomaeva Ya.A., Serik T.G., Birlyukova D.V., Serik G.I., Kirgizov K.I., Varfolomeeva S.R., Rumyantsev A.G. Certification of the service of pediatric hematology-oncology in the subjects of the Russian Federation on the basis of infographic mapping. Russian Journal of Pediatric Hematology and Oncology. 2019;6(1):20-27. (In Russ.) https://doi.org/10.21682/2311-1267-2019-6-1-20-27