id	domain	url
bjos-8658221	dx.doi.org	http://dx.doi.org/10.20396/bjos.v19i0.8658221
bjos-8658221	www.crd.york.ac.uk	http://www.crd.york.ac.uk/prospero
bjos-8658221	www.cochrane-handbook.org	www.cochrane-handbook.org