1. Microbiologic evaluation of canine urine: direct microscopic examination and preservation of specimen quality for culture;Allen;J. Am. Vet. Med. Assoc.,1987
2. Methods to detect significant bacteriuria;Bush;Br. Vet. J.,1977
3. Comparison of collection techniques for quantitative urine culture in dogs;Carter;J. Am. Vet. Med. Assoc.,1978