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2. A telescopic technique for obtaining uncontaminated lower airway secretions for bacterial culture in the horse;Darien;Equine vet. J.,1990
3. Bronchoalveolar lavage in ponies with recurrent airway obstruction (heaves);Derksen;Am. Rev. resp. Dis.,1985
4. Summer pasture associated obstructive pulmonary disease - two case reports;Dixon;Vet. Rec.,1990