NYARKO, K.; EDUSEI, A.; ADDY, E.; ANSONG, D.; OPOKU-AGYEMAN, A. Haemoglobin levels of well pre-school children in Bibiani, Ghana. Ghana Medical Journal, [S. l.], v. 38, n. 4, 2006. DOI: 10.4314/gmj.v38i4.36010. Disponível em: https://www.ajol.info/index.php/gmj/article/view/36010. Acesso em: 9 nov. 2026.