id	domain	url
dpc-1501	doi.org	https://doi.org/10.5826/dpc.1104a90
dpc-1501	sdb.socialstyrelsen.se	https://sdb.socialstyrelsen.se/if_can/val.aspx
dpc-1501	www.unep.org	www.unep.org/pdf/solar_index_guide.pdf
dpc-1501	www.stralsakerhetsmyndigheten.se	www.stralsakerhetsmyndigheten.se/omraden/sol-och-solarier