Bart, G., Piccolo, P., Zhang, L., Jacobson, I., Schaefer, R. A., & Kreek, M. J. (2008). Markers for hepatitis A, B and C in methadone maintained patients: An unexpectedly high co-infection with silent hepatitis B.

Bart, Gavin, Paola Piccolo, Linqi Zhang, Ira Jacobson, Robert A. Schaefer, und Mary Jeanne Kreek. Markers for Hepatitis A, B and C in Methadone Maintained Patients: An Unexpectedly High Co-infection With Silent Hepatitis B. 2008.

Bart, Gavin, et al. Markers for Hepatitis A, B and C in Methadone Maintained Patients: An Unexpectedly High Co-infection With Silent Hepatitis B. 2008.