Molecular analysis of canine circovirus in dogs from animal shelters in Belém, Pará, northern Brazil: first detection at the amazon region. - Cardoso BTM; de Deus DR; Sousa EC; Pinheiro KDC; da Costa JN; Maués MAC; Mesquita MJF; Teixeira DM; Siqueira JAM; Resque HR; Gabbay YB; da Silva LD (Brazilian journal of veterinary medicine, 2023)