Blood donors (2) virus (1) enregistrement (1) qualité de vie (1) fer (1) évaluation (1) effet (1) procès (1) Fatigue (1) Treatment (1) Methods (1) Hepatitis E (1) Week (1) Symptoms (1) Swiss (1) Scarcity (1) Recording and registration (1) Quality of life (1) Iron (1) Impact (1) Hemoglobin (1) Ferrous sulfate (1) Ferritin (1) Fatigue (1) Evaluation (1) Confidence (1) Compliance (1) Change (1) Blood (1) Biochemical markers (1)