Даруємо знижку -10% по промокоду HALAT5
neonatal mortality rate
neonatal mortality rate The number of children under 28 days of age who die, divided by the number of live births in that year.
Даруємо знижку -10% по промокоду HALAT5
neonatal mortality rate The number of children under 28 days of age who die, divided by the number of live births in that year.