R. McNair-Scott

Reducing the risk of unsafe injections in immunization programmes: financial and operational implications of various injection technologies.

J. Lloyd, B. Aylward, M. Zaffran, 1995, Bulletin of the World Health Organization.

Model-based estimates of the risk of human immunodeficiency virus and hepatitis B virus transmission through unsafe injections.

D J Hu, B. Aylward, M. Kane, 1995, International journal of epidemiology.