Identification of human herpesviruses 1 to 8 in Tunisian multiple sclerosis patients and healthy blood donors. - Ben Fredj, Nadia; Rotola, Antonella; Nefzi, Faten; Chebel, Saber; Rizzo, Roberta; Caselli, Elisabetta; Frih-Ayed, Mahbouba; Di Luca, Dario; Aouni, Mahjoub (Journal of NeuroVirology, 2012)