http://pc.h12o.es/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AHospital%20Universitario%2012%20de%20Octubre%2C%20and%20itype%3AGUD%20and%20au%3ATejido%20S%C3%83%C2%A1nchez%2C%20%C3%83%C2%81ngel&format=rss2 Search results for 'Provider:Hospital Universitario 12 de Octubre, and itype:GUD and au:Tejido Sánchez, Ángel' at 0 20