Tracheal morphometrics in the thoroughbred horse - Freitas, Rodrigo Ramos de; Pogliani, Fabio Celidonio; Moretti Junior, Nivaldo; Irino, Eduardo Toshio; Stopiglia, Angelo João; Macruz, Romeu; Fantoni, Denise Tabacchi; Jatene, Fábio Biscegli (Journal of Equine Veterinary Science, 2001)