“Vancomycin Variable Enterococci (VVE) Responsible for Two Cases of Severe Bloodstream Infections in Immunocompromised Patients Colonized With Vancomycin Resistant Enterococcus Faecium (VRE)”. 2024. Microbiologia Medica 39 (2). https://doi.org/10.4081/mm.2024.13224.