id	domain	url
ecj-12890	improvement.nhs.uk	https://improvement.nhs.uk/documents/193/resource_set__initial_placement_checks_for_ng_tubes_1.pdf
ecj-12890	www.medrxiv.org	https://www.medrxiv.org/content/10.1101/2021.06.15.212589
ecj-12890	www.medscape.com	www.medscape.com/viewarticle/891200