@article{hawkins_birkenheuer_marr_rogala_large_adler_2007, title={Quantification of mucin gene expression in tracheobronchial epithelium of healthy dogs and dogs with chronic bronchitis}, volume={68}, DOI={10.2460/ajvr.68.4.435}, number={4}, journal={American Journal of Veterinary Research}, author={Hawkins, E. C. and Birkenheuer, A. J. and Marr, H. S. and Rogala, A. R. and Large, E. E. and Adler, K. B.}, year={2007}, pages={435–440} }
 @article{hawkins_rogala_large_bradley_grindem_2006, title={Cellular composition of bronchial brushings obtained from healthy dogs and dogs with chronic cough and cytologic composition of bronchoalveolar lavage fluid obtained from dogs with chronic cough}, volume={67}, DOI={10.2460/ajvr.67.1.160}, number={1}, journal={American Journal of Veterinary Research}, author={Hawkins, E. C. and Rogala, A. R. and Large, E. E. and Bradley, J. M. and Grindem, C. B.}, year={2006}, pages={160–167} }