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Hajdu, Agnes, Hanne M. Eriksen, Nina K. Sorknes, Siri H. Hauge, Hege L. Loewer, Bjørn G. Iversen, und Preben Aavitsland. Evaluation of the National Surveillance System for Point-prevalence of Healthcare-associated Infections in Hospitals and in Long-term Care Facilities for Elderly in Norway, 2002-2008. BioMed Central, 2011.

Hajdu, Agnes, et al. Evaluation of the National Surveillance System for Point-prevalence of Healthcare-associated Infections in Hospitals and in Long-term Care Facilities for Elderly in Norway, 2002-2008. BioMed Central, 2011.