Scheifele, D., Bell, A., Jadavji, T., Vaudry, W., Waters, J., Naus, M., & Sciberras, J. (2000). Population-based surveillance of Hib invasive infections in children in British Columbia Alberta and Ontario - 1995 to 1997. Pulsus Group Inc.

Scheifele, David, Alison Bell, Taj Jadavji, Wendy Vaudry, John Waters, Monika Naus, ja Jill Sciberras. Population-based Surveillance of Hib Invasive Infections in Children in British Columbia Alberta and Ontario - 1995 to 1997. Pulsus Group Inc, 2000.

Scheifele, David, et al. Population-based Surveillance of Hib Invasive Infections in Children in British Columbia Alberta and Ontario - 1995 to 1997. Pulsus Group Inc, 2000.