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2. Making the dogman heel: recommendations for improving the effectiveness of dogfighting laws;Ortiz;Stanford J Animal L & Policy,2010
3. RSPCA New RSPCA figures show shocking rise in dog fighting on our streets 2009 www.rspca.org.uk/servlet/Satellite?blobcol=urlblob&blobheader=application%2Fpdf&blobkey=id&blobtable=RSPCABlob&blobwhere=1236788694832&ssbinary=true
4. RSPCA Briefing on status dogs 2010 www.rspca.org.uk/servlet/Satellite?blobcol=urlblob&blobheader=application%2Fpdf&blobkey=id&blobtable=RSPCABlob&blobwhere=1169720061490&ssbinary=true&ContentType=application/pdf