1. Improved echocardiographicevaluation of the closed-chest canine: Methods and anatomic observations;Baylen;J. Clin. Ultrasound,1980
2. Echocardiographic features of pericardial effusion in dogs;Bonagura;J. Am. Vet. Med. Assoc.,1981
3. Diagnosis of cardiac lesions by contrast echocardiography;Bonagura;J. Am. Vet. Med. Assoc.,1983
4. Echocardiographic features of aortic valve endocarditis;Bonagura;J. Am. Vet. Med. Assoc.,1983
5. Echocardiographic assessment of normal and abnormal valvular function in Beagle dogs;Dennis;Am. J. Vet. Res.,1978