For citations:
Tyushevskaya A.V., Gasparyan G.N., Kovalchuk M.A. Increase the effectiveness of oral hygiene in children with oncological and hematological diseases. Russian Journal of Pediatric Hematology and Oncology. 2018;5(2):19-24. (In Russ.) https://doi.org/10.17650/2311-1267-2018-5-2-19-24