title: In memory of Professor Olav Hilmar Iversen.
authors.affiliation: Institute of Pathology, University of Oslo, National Hospital, Rikshospitalet, Norway.
authors.forename: P
authors.initials: P
authors.lastname: Brandtzaeg
mesh_terms: D049673:History, 20th Century; D009664:Norway; D010336:Pathology / Q000266:history