- Multilaboratory evaluation of real-time PCR tests for hepatitis B virus DNA quantification. Caliendo, A.M., Valsamakis, A., Bremer, J.W., Ferreira-Gonzalez, A., Granger, S., Sabatini, L., Tsongalis, G.J., Wang, Y.F., Yen-Lieberman, B., Young, S., Lurain, N.S. J. Clin. Microbiol. (2011)