ANIEBUE, P.; AGUWA, E.; OBI, E. Universal precautions: awareness and practice of patent medicines vendors in Enugu metropolis, South East Nigeria. Nigerian Medical Journal, [S. l.], v. 51, n. 1, 2010. DOI: 10.4314/nmj.v51i1.59863. Disponível em: https://www.ajol.info/index.php/nmj/article/view/59863. Acesso em: 4 oct. 2026.