a- Discussion paper « Vaccination of poultry against highly pathogenic avain influenza H5N1 (DIVA Strategy) » 02.02.06 , SANCO/10103/2006 rev.1
a- Discussion paper « Vaccination of poultry against highly pathogenic avian influenza H5N1 (DIVA Strategy) » 02.02.06 , SANCO/10103/2006 rev.1