Listeria monocytogenes prosthetic joint infection: Two clinical cases and a review of the literature Begoña Fachal Bugarín; Lucía Ramos Merino; Joaquín Manuel Serrano Arreba; Alicia Alonso Álvarez; Ramón María Fernández Varela; Berta Pernas Souto; Laura Gutiérrez Fernández; María Dolores Sousa Regueiro; Enrique Míguez Rey; Efrén Sánchez Vidal;