What are the most important infectious diseases among those ≥65 years: a comprehensive analysis on notifiable diseases, Norway, 1993–2011

by Steens, Anneke, Eriksen, Hanne-Merete, Blystad, Hans
Published 2014

Epidemiology of acute and chronic hepatitis B virus infection in Norway, 1992-2009

by Rimšelienė, Gražina, Nilsen, Øivind, Kløvstad, Hilde, Blystad, Hans, Aavitsland, Preben
Published 2011

Trends in HIV infection surveillance data among men who have sex with men in Norway, 1995-2011

by Jakopanec, Irena, Grjibovski, Andrej M, Nilsen, Øivind, Blystad, Hans, Aavitsland, Preben
Published 2013