L'Eplattenier H F, Montavon P M
Veterinär-chirurgische Klinik, Universität Zürich.
Schweiz Arch Tierheilkd. 1998;140(8):333-6.
Two young dogs were presented with an accumulation of mucus in the frontal sinus which occurred after a head injury had caused an obstruction of the nasofrontal openings. Both dogs were successfully managed by surgically reconstructing and draining the nasofrontal ducts.