Effect of Hibiscus Sabdariffa Calyx Extract on Haematologic Indices in Sickle Cell Anaemia In-vitro. African Journal of Biomedical Research, [S. l.], v. 25, n. 2, p. 261–264, 2022. DOI: 10.4314/ajbr.v25i2.22 . Disponível em: https://ojshostng.com/index.php/ajbr/article/view/2428. Acesso em: 5 avr. 2026.