1. Airway responses to aerosolized metha-choline and citric acid in ponies with recurrent airway obstruction (heaves);Armstrong;Am Rev Respir Dis,1986
2. Chronic obstructive pulmonary disease;Beech;Vet Clin North Am Equine Pract,1991
3. Heaves;Breeze;Vet Clin North Am Equine Pract,1979
4. Airway hyperresponsiveness;Buechner-Maxwell;Compend Contin Educ Pract Vet,1993
5. Infections;Busse,1988