For citations:
Gavrilyuk O.I., Bashtakova E.A., Gorokhova N.E., Ushakova S.A., Khalidullina O.Y., Gabaraeva N.S., Vaganova A.E., Ishbuldin A.A., Pshenichnikova M.V., Baryshnikov M.A. Difficult diagnosis: pigmented villonodular synovitis in pediatrician practice. Russian Pediatric Journal. 2022;3(1):81. (In Russ.)