1. Textbook of veterinary anatomy,2002
2. A review of the pathophysiology, classification and analysis of canine and feline cavitary effusions;Dempsey;J Am Anim Hosp Assoc,2011
3. Pleural effusion and diseases of the pleura;Noone;Vet Clin North Am Small Anim Pract,1985
4. Respiratory physiology;West,1990
5. Pulmonary pathophysiology: the essentials;West,1995