id	domain	url
concept-1708	www.cancer.gov	http://www.cancer.gov/cancertopics/factsheet/sites-types/metastatic
concept-1708	dx.doi.org	http://dx.doi.org/10.1016/0895-7177(89)90230-6
concept-1708	www.sciencedirect.com	http://www.sciencedirect.com/science/article/pii/0895717789902306
concept-1708	adsabs.harvard.edu	http://adsabs.harvard.edu/cgibin/bib_query?arxiv:1305.4622
concept-1708	search.proquest.com	http://ezproxy.villanova.edu/login?url=http://search.proquest.com/doc
concept-1708	www.bjcancer.com	www.bjcancer.com
concept-1708	dx.doi.org	http://dx.doi.org/10.1007/s12539-010-0072-3
concept-1708	www.ncbi.nlm.nih.gov	http://www.ncbi.nlm.nih.gov/pubmed/15907826
concept-1708	mathworld.wolfram.com	http://mathworld.wolfram.com/montecarlomethod.html