Gastroenterology: diagnostic methods and therapy
Gastroenterology: oral cavity, esophagus, stomach
Gastroenterology: Intestine
Gastroenterology: liver and pancreas
Gastroenterology: endoscopy
Gastroenterology: ultrasonography
Dermatology: diagnostic methods and therapy
Dermatology: bacterial and fungal skin diseases
Dermatology: parasitic, viral, rickettsial and protozoal skin diseases
Dermatology: allergic skin diseases
Dermatology: immune-mediated skin diseases
Cardiovascular system: diagnostic methods and therapy
Cardiovascular system: electrocardiography
Cardiovascular system: echocardiography
Cardiovascular system: heart failure and management
Cardiovascular system: congential heart diseases
Cardiovascular system: heartworm disease


Textbook and suggest reading:

1. Slatter. Textbook of Small Animal Surgery, 3rd ed, 2002, Elsevier Saunders Inc.
2. Ettinger and Feldman: Textbook of Veterinary Internal Medicine, 6th ed, 2005, Elsevier Saunders Inc.
3. Professional journals: Journal of Veterinary Dermatology, Journal of American Veterinary Medical Association, Journal of Small Animal Practice, Journal of American Animal Hospital Association, Journal of Veterinary Internal Medicine, Journal of Veterinary Surgery, Journal of Veterinary Ophthalmology, etc.