1. Observations on breed and sex in relation to canine heart valve incompetence;Thrusfield,1985
2. Chronic mitral valve disease in Cavalier King Charles Spaniels;Beardow,1993
3. Retrospective study of 942 small-sized dogs;Serfass,2006
4. Doppler echocardiography-derived evidence of pulmonary arterial hypertension in dogs with degenerative mitral valve disease;Serres,2006