%0 Journal Article %T Perineal Protrusion Secondary to Imperforate Hymen and Hydrocolpos in an 8-Year-Old Spayed Female Dog %A Callie L. Blackford Winders %A Karen M. Tobias %J Archive of "Case Reports in Veterinary Medicine". %D 2016 %R 10.1155/2016/8067967 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6005273/