Sousa, Hugo, João Silva, Luís Azevedo, Ana L Pinto-Correia, Raquel Catarino, Daniela Pinto, Carlos Lopes, and Rui Medeiros. 2011. “Epstein-Barr Virus in Healthy Individuals from Portugal”. Acta Médica Portuguesa 24 (5). Lisbon, Portugal:707-12. https://doi.org/10.20344/amp.517.