1. Respiratory system;Smith,2009
2. Guide to regional anatomy based on the dissection of the goat;Constantinescu,2001
3. Physical principles of gas exchange; diffusion of oxygen and carbon dioxide through the respiratory membrane;Guyton,1996
4. Pulmonary ventilation;Guyton,1996
5. Pathophysiology of Oestrus ovis infection in sheep and goats: a review;Dorchies;Vet Rec,1998