1. Cytologic analysis of bronchoalveolar lavage fluid in the diagnosis of spontaneous respiratory tract disease in dogs: a retrospective study;Hawkins;J Vet Intern Med,1995
2. Tracheal washes;Syring,2004
3. Bronchoscopy;Kuehn,2004
4. Bronchoscopy;McKiernan,2005
5. Cytologic characterization of bronchoalveolar lavage fluid collected through an endotracheal tube in cats;Hawkins;Am J Vet Res,1994