http://pc.h12o.es/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AHospital%20Universitario%2012%20de%20Octubre%2C%20and%20au%3AKessler%20Saiz%2C%20Pablo%20and%20itype%3AGUD%20and%20au%3ACosta%20P%C3%83%C2%A9rez-Herrero%2C%20Jos%C3%83%C2%A9%20Ram%C3%83%C2%B3n%20and%20au%3ACoto%20L%C3%83%C2%B3pez%2C%20%C3%83%C2%81ngel%20Luis&format=rss2 Search results for 'Provider:Hospital Universitario 12 de Octubre, and au:Kessler Saiz, Pablo and itype:GUD and au:Costa Pérez-Herrero, José Ramón and au:Coto López, Ángel Luis' at 0 20