Epstein-barr virus DNA load in nasopharyngeal brushings and whole blood in nasopharyngeal carcinoma patients before and after treatment

Marlinda Adham, Astrid E. Greijer, Sandra A.W.M. Verkuijlen, Hedy Juwana, Sabine Fleig, Lisnawati Rachmadi, Octavia Malik, Antonius Nikolas Kurniawan, Averdi Roezin, Soehartati Argadikoesoema, Djumhana Atmakusumah, Servi J.C. Stevens, Bambang Hermani, I. Bing Tan, Jaap M. Middeldorp