AVHQ - Sanz-Casado,E.; Ramirez-de Santa Pau,M.; Suarez-Balseiro,C.A.; Iribarren-Maestro,I.; de Pedro Cuesta,J. - Trends in scientific activity addressing transmissible spongiform encephalopathies: a bibliometric study covering the period 1973-2002. - BMC Public Health 2006; 6: 245