A 5 month old boy was bornprematurely, he didn’t suffer from any disease at the infant age
and later on. Examination at an outpatient’s hospi-tal revealed paleness of skin, sleepiness.
Blood count: Hb - 95 g/l, erythrocytes - 3, 5 · 1012/l, reticulocytes - 90/00, colour index - 0,7
osmotic stability of erythrocytes - 0,44-0,33%, serum iron - 4,9 micromole/l. What is the most
probable cause of anemia?
Selecciona una de las siguientes respuestas posibles: