For citations:
Vengerenko A.S. Combined deficiency of vitamin B12 and folic acid in a child. Russian Pediatric Journal. 2025;28(1S):29-29. (In Russ.) EDN: fnfcbd
Vengerenko A.S. Combined deficiency of vitamin B12 and folic acid in a child. Russian Pediatric Journal. 2025;28(1S):29-29. (In Russ.) EDN: fnfcbd