• Underlying conditions in adults with COVID-19 

      Nystad, Wenche; Hjellvik, Vidar; Larsen, Inger Kristin; Ariansen, Inger Kristine Holtermann; Helland, Eyvind; Johansen, Knut Ivar; Gulbrandsen, Johanne; Gulseth, Hanne Løvdal; Eide, Helena Niemi; Håberg, Siri Eldevik; Karlstad, Øystein; Bakken, Inger Johanne (Peer reviewed; Journal article, 2020)