Beneficial effect of pollen and/or propolis on the metabolism of iron, calcium, phosphorus, and magnesium in rats with nutritional ferropenic anemia

1. Haro, A.
2. López-Aliaga, I.
3. Lisbona, F.
4. Barrionuevo, M.
5. Alférez, M.J.M.
6. Campos, M.S.