Couetil, L, Cardwell, J, Leguillette, R, Mazan, M, Richard, E, Bienzle, D, Bullone, M, Gerber, V, Ivester, K, Lavoie, J, Martin, J, Moran, G, Nied?wied?, A, Pusterla, N, Swiderski, C, "Equine asthma: current understanding and future directions", Frontiers in Veterinary Science, 2020