Name Info Provider Link
free resource Ediciones Doyma, S.L. http://www.elsevier.es/en/linksolver/ft/pii/S0033-8338(10)00218-3
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0033-8338(10)00218-3
Liver Cancer free resource MedlinePlus Health Information https://medlineplus.gov/livercancer.html