For citations:
Volgina S.Ya., Khaliullina Ch.D., Nikolaeva E.A., Sayfullina R.M., Shakirova A.R. Pyruvate dehydrogenase complex deficiency – a rare mitochondrial disease in a 4-year-old boy. Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics). 2020;65(2):86-91. (In Russ.) https://doi.org/10.21508/1027-4065-2020-65-2-86-91