For citations:

Kurmaeva E.A., Kulakova G.A., Solovieva N.A., Volgina S.Ya., Ivanov R.V. Diagnostic problems in pediatrics on the example of a clinical case of neuroblastoma. Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics). 2023;68(5):131-134. (In Russ.) https://doi.org/10.21508/1027-4065-2023-68-5-131-134