For citations:
Sofronov V.V., Voloshin A.V., Mavrina E.V., Vafina R.R. Levels of trace elements (zinc, chromium, strontium) in the red blood cells and plasma of premature infants and their mothers. Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics). 2015;60(5):206-209. (In Russ.)