EFFECT OF A NON-IONIC SURFACTANT ON THE PERMEABILITY OF BUTORPHANOL THROUGH EQUINE NASAL MUCOSA. FAVET [Internet]. 2021 Dec. 6 [cited 2026 Apr. 29];19(suplemento). Available from: https://bibliotecavirtual.unl.edu.ar/publicaciones/index.php/FAVEveterinaria/article/view/10945