Wahl Sissel Gyrid Freim, Karlsen Jarle, Schulz Birgit, Johansen Håkon, Abusland Anne Britt
Department of Pathology, St Olavs Hospital, Trondheim University Hospital, Norway.
Tidsskr Nor Laegeforen. 2012 Sep 4;132(16):1877-80. doi: 10.4045/tidsskr.11.1226.