http://pc.h12o.es/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AHospital%20Universitario%2012%20de%20Octubre%2C%20and%20au%3AValero%20Zanuy%2C%20Mar%C3%83%C2%ADa%20de%20los%20%C3%83%C2%81ngeles&format=rss2 Search results for 'Provider:Hospital Universitario 12 de Octubre, and au:Valero Zanuy, María de los Ángeles' at 0 20