Author: Friis L

Original article 1996;22(5):364-368   pdf
Prevalence of Helicobacter pylori infection among sewage workers
Friis L, Engstrand L, Edling C
 
Original article 1995;21(2):116-123   pdf
Cancer incidence among pharmaceutical workers
Edling C, Friis L, Mikoczy Z, Hagmar L, Lindfors P