Chaturvedi U, Tiwari AK, Ratta B, Ravindra PV, Rajawat YS, Palia SK, Rai A. Detection of canine adenoviral infections in urine and faeces by the polymerase chain reaction. J Virol Methods. 2008 May;149(2):260–3. doi: 10.1016/j.jviromet.2008.01.024. PMID: 18329729.