Prevalence of human herpesvirus U94/REP antibodies and DNA in Tunisian multiple sclerosis patients. - Ben-Fredj, Nadia; Ben-Selma, Walid; Rotola, Antonella; Nefzi, Faten; Benedetti, Sabrina; Frih-Ayed, Mahbouba; Di Luca, Dario; Aouni, Mahjoub; Caselli, Elisabetta (Journal of NeuroVirology, 2013)