https://www.selleckchem.com/pr....oducts/n-nitroso-n-m
There are geographic variations in hip fracture incidence rates across Norway, with a lower incidence in the coastal areas of the southwest and in the Arctic north, contrary to what may be expected with regard to vitamin D exposure from sunlight. The regional differences have become smaller in recent years. INTRODUCTION To investigate geographic variation in hip fracture incidence within Norway and regional differences in time trends. METHODS All hip fractures treated in Norwegian hospitals 2002-2013 were included, and de