Partial sequencing of open reading frame-1 (ORF-1) of Brazilian porcine circovirus type 1 (PCV-1) - Castro, Alessandra Marnie Martins Gomes de; Cortez, Adriana; Soares, Rodrigo Martins; Ruiz, Vera Letticie de Azevedo; Leomil, Henrique; Richtzenhain, Leonardo José (Encontro Nacional de Virologia, 2003)