Clostridium difficile – still a problem among the XXI century in case of geriatic patient. Journal of Medical Science, Poznań, Poland, v. 86, n. 4, p. 272–278, 2017. DOI: 10.20883/jms.2017.257. Disponível em: https://jmsnew.ump.edu.pl/index.php/JMS/article/view/257. Acesso em: 4 jul. 2025.