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

by Blystad Hans, Kløvstad Hilde, Nilsen Øivind, Rimšelienė Gražina, Aavitsland Preben
Published 2011-05-01

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 2013-02-01