EN
The erythrocyte total magnesium concentration was eva-luated in 80 healthy children aged 2-16 years (40 boys and 40 girls). Its values ranged from 1,67 to 2,92 mmol/l and the mean value was 2,17 ±0,25 mmol11. No sex r age- related differences were noted. The me an value of the magnesium plasma/erythrocyte quotient rose with children's age.