Ginting, H.I.S., Farhat, F. and Sari, M.I. 2022. The Serological Examination of Immunoglobulin A Anti-Early Antigen of Epstein–Barr Virus (Anti-EA EBV IgA) in the Nias Tribe Nasopharyngeal Cancer Patients. Open Access Macedonian Journal of Medical Sciences. 10, A (Jul. 2022), 1116–1120. DOI:https://doi.org/10.3889/oamjms.2022.7025.