Contamination of Nigerian Currency Notes by Escherichia coli in Nasarawa State University, Keffi, Nigeria. Asian Journal of Pharmaceutical and Health Sciences, [S. l.], v. 1, n. 4, p. 163–166, 2011. Disponível em: https://ajphs.com/index.php/ajphs/article/view/691. Acesso em: 21 feb. 2026.