“HOMOZYGOUS DELETION ALFA-THALASSEMIA AND HEREDITARY PERSISTENCE OF FETAL HEMOGLOBIN, TWO GENETIC FACTORS PREDICTIVE THE REDUCTION OF MORBIDITY AND MORTALITY DURING PREGNANCY IN SICKLE CELL PATIENTS . A REPORT FROM DEMOCRATIC REPUBLIC OF CONGO: ALPHA THALASSEMIA AND HEREDITARY PERSISTENCE OF FETAL HEMOGLOBIN REDUCE MORBIDITY DURING PREGNANCY IN SICKLE CELL PATIENTS”, Mediterr J Hematol Infect Dis, vol. 11, no. 1, p. e2019039, Jun. 2019, doi: 10.4084/mjhid.2019.039.