Durán, A., and N. Valero. “Legionella Pneumophila: An Emergent Pathogen in Zulia State, Venezuela? Mini-Review”. Kasmera, Vol. 38, no. 2, Aug. 2010, pp. 168-71, https://produccioncientifica.luz.edu.ve/index.php/kasmera/article/view/4866.