id	domain	url
anesthj-173	doiorg.ezproxy.tcu.edu	https://doiorg.ezproxy.tcu.edu/10.1111/j.1365-2044.2004.03459.x
anesthj-173	doiorg.ezproxy.tcu.edu	https://doiorg.ezproxy.tcu.edu/10.1053/j.jvca.2015.09.009
anesthj-173	doi.org	https://doi.org/10.1053/j.jvca.2018.02.033
anesthj-173	doiorg.ezproxy.tcu.edu	https://doiorg.ezproxy.tcu.edu/10.1053/j.jvca.2015.09.009
anesthj-173	doiorg.ezproxy.tcu.edu	https://doiorg.ezproxy.tcu.edu/10.1111/j.1365-2044.2004.03459.x
anesthj-173	commons.wikimedia.org	https://commons.wikimedia.org/wiki/file:transesophageal_echocardiography_diagram.svg