id	domain	url
eistud-23709	dx.doi.org	http://dx.doi.org/10.5755/j01.eis.0.13.23709
eistud-23709	www.cgeh.nl	http://www.cgeh.nl/sites/default
eistud-23709	www.jepa-hq.com	http://www.jepa-hq.com/ijeps/content/2012/articles/bywaters_mlodlowski_ijeps12
eistud-23709	doi.org	https://doi.org/10.1007/bf03405737
eistud-23709	dx.doi.org	http://dx.doi.org/10.5755/j01.eis.0.6.1517
eistud-23709	doi.org	https://doi.org/10.2105/ajph.88.10.1545
eistud-23709	doi.org	https://doi.org/10.1017/s0025727300058725
eistud-23709	www.britainexpress.com	http://www.britainexpress.com/history/plague.htm
eistud-23709	www.ph.ucla.edu	http://www.ph.ucla.edu/epi/snow/pandemic1846-63.html