Name Info Provider Link
subscription/membership/fee required Ediciones Doyma, S.L. http://www.elsevier.es/en/linksolver/ft/pii/S0025-7753(19)30059-4
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0025-7753(19)30059-4