Prevalence and pattern of beta-haemolytic streptococcal throat infections among primary school children in a rural community in rivers state. Port Harcourt Medical Journal, [S. l.], v. 14, n. `1, p. 23–30, 2020. DOI: 10.60787/phmj.v14i`1.36. Disponível em: https://phmj.org.ng/index.php/home/article/view/36. Acesso em: 22 dec. 2024.