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3. Report on Bearded Collie Club of America Health Survey. Preliminary findings;Aronson;Beardie Bulletin,1992
4. Report on Bearded Collie Club of America Health Survey. Preliminary findings;Aronson;Beardie Bulletin,1994
5. Report on Bearded Collie Club of America Health Survey. Preliminary findings;Aronson;Beardie Bulletin,1995