For citations:

Morozov S.L., Voevodina N.V., Dlin V.V. Secondary steroid resistance of idiopathic nephrotic syndrome in children: state of the problem. Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics). 2021;66(6):33-38. (In Russ.) https://doi.org/10.21508/1027-4065-2021-66-6-33-38