6Bolt DM, Hani H, Muller E, et al. Non-suppurative myocarditis in piglets associated with porcine parvovirus infection[J]. J Comp Path. 1997, (117): 107-118.
7Choi CS, Joo HS, Molitor TW. Temperature dependent replication of porcine parvovirus isolates[J]. Arch Virol, !989, 108(1-2): 121-129.
8Fujisaki Y, Sugimori T, Kimura I, et al. Porcine parvovirus infection and stillbirth in swine. II Seroepizootiological survey[J]. Uirusu, 1975, 25(1-2): 33-41.
9Fujisaki Y, Murakami Y. Immunity to infection with porcine parvovirus in pigs inoculated with the attenuated HT-strain[J]. Natl lnst Anim Health Q (Tokyo), 1982, 22(1): 36-37.
10Paul P S, Mengeling W L. Vaccination of swine with an inactivated procine parvovirus vaccine in the presence of passive immunity[J]. J Am Vet Med Assoc, 1986, 188(4): 410-413.
