Shiramizu, B., N. Hu, R. Frisque, and V. Nerurkar. 2007. “High Prevalence of Human Polyomavirus JC VP1 Gene Sequences in Pediatric Malignancies”. Cellular and Molecular Biology 53 (3):4-12. https://cellmolbiol.org/index.php/CMB/article/view/1120.