@article{light_hellyer_1993, title={Effects of atropine on the arrhythmogenic dose of dobutamine in xylazine-thiamylal-halothane anesthetized horses}, volume={54}, number={12}, journal={American Journal of Veterinary Research}, author={Light, G. S. and Hellyer, P. W.}, year={1993}, pages={2099} }
 @article{light_hellyer_swanson_1992, title={Parasympathetic influence on the arrhythmogenicity of graded dobutamine infusions in halothane anesthetized horses}, volume={53}, number={7}, journal={American Journal of Veterinary Research}, author={Light, G. S. and Hellyer, P. W. and Swanson, C. R.}, year={1992}, pages={1554} }