AVVZ - del Rio Vilas,V.J.; Guitian,J.; Pfeiffer,D.U.; Wilesmith,J.W. - Analysis of data from the passive surveillance of scrapie in Great Britain between 1993 and 2002 - The Veterinary Record 2006 Dec 9; 159(24): 799-804
ASJC - del Rio Vilas,V.J.; Sayers,R.; Sivam,K.; Pfeiffer,D.; Guitian,J.; Wilesmith,J.W. - A case study of capture-recapture methodology using scrapie surveillance data in Great Britain - Preventive Veterinary Medicine 2005 Mar 15; 67(4): 303-17