Screening of opportunistic Encephalitozoon intestinalis and Enterocytozoon bieneusi in immunocompromised patients in Slovakia / Monika Halánová, Alexandra Valenčáková, Pavol Jarčuška, Miloš Halán, Oľga Danišová, Ingrid Babinská, Kinga Dedinská, Lýdia Čisláková KE304