Søgaard, A.J. and Tell, G.S. 2015. An example of a successful national research network in epidemiology – The Norwegian Epidemiologic Osteoporosis Studies (NOREPOS). Norsk Epidemiologi. 25, 1-2 (Sep. 2015). DOI:https://doi.org/10.5324/nje.v25i1-2.1896.