2026-10-17T04:38:27Z https://scielo.isciii.es/oai/scielo-oai.php

oai:scielo:S0213-12852003000100001 2006-11-07 0213-1285

2003-02-01journal articletext/htmlhttps://scielo.isciii.es/scielo.php?script=sci_arttext&pid=S0213-12852003000100001es