Name Info Provider Link
free resource Ediciones Doyma, S.L. http://www.elsevier.es/en/linksolver/ft/pii/S0213-9111(20)30045-5
free resource Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0213-9111(20)30045-5
Full Text at the institutional repository free resource Andalusian Health Repository http://hdl.handle.net/10668/15218