Comparison of inulin with urea as dilutional markers of bronchoalveolar lavage in healthy and heaves-affected horses Nathalie Kirschvink, Laurence Fiévez, Sophie Dogné, Fabrice Bureau, Tatiana Art and Pierre Lekeux Vet. Res., 32 2 (2001) 145-154 DOI: 10.1051/vetres:2001117