id	domain	url
dialog-750	dx.doi.org	http://dx.doi.org/10.1007/s10643-007-0165-8
dialog-750	doi.org	https://doi.org/10.1080/10888690802199418
dialog-750	stanfordmag.org	https://stanfordmag.org/contents/the-play-s-the-thing
dialog-750	doi.org	https://doi.org/10.1080/10409289.2017.1322449
dialog-750	doi.org	https://doi.org/10.1080/09575140120111472
dialog-750	doi.org	https://doi.org/10.1080/10409280902858764
dialog-750	doi.org	https://doi.org/10.1080/10409289.2016.1220771
dialog-750	eclkc.ohs.acf.hhs.gov	http://eclkc.ohs.acf.hhs.gov/policy