Sonder, G. J. B., van Steenbergen, J. E., Bovee, L. P. M. J., Peerbooms, P. G. H., Coutinho, R. A., & van den Hoek, A. (2004). Hepatitis A Virus Immunity and Seroconversion Among Contacts of Acute Hepatitis A Patients in Amsterdam, 1996–2000: An Evaluation of Current Prevention Policy. © American Journal of Public Health 2004.

Sonder, Gerard J. B., Jim E. van Steenbergen, Lian P. M. J. Bovee, Paul G. H. Peerbooms, Roel A. Coutinho, and Anneke van den Hoek. Hepatitis A Virus Immunity and Seroconversion Among Contacts of Acute Hepatitis A Patients in Amsterdam, 1996–2000: An Evaluation of Current Prevention Policy. © American Journal of Public Health 2004, 2004.

Sonder, Gerard J. B., et al. Hepatitis A Virus Immunity and Seroconversion Among Contacts of Acute Hepatitis A Patients in Amsterdam, 1996–2000: An Evaluation of Current Prevention Policy. © American Journal of Public Health 2004, 2004.