1. M-mode echocardiography: Basic principles;Bonagura;Vet. Clin. North Am. [Small Anim. Pract.],1983
2. Electrical alterans associated with pericardial effusion in the dog;Bonagura;J. Am. Vet. Med. Assoc.,1981
3. Echocardiography features of pericardial effusion in dogs;Bonagura;J. Am. Vet. Med. Assoc.,1981
4. Echocardiography features of aortic valve endocarditis in a dog, a cow, and a horse;Bonagura;J. Am. Vet. Med. Assoc.,1983
5. Clinical applications of echocardiography;Bonagura,1984