Studies on transplacental transmissibility of a Bovine Virus Diarrhoea (BVD) vaccine virus. I. Inoculation of pregnant cows 15 to 90 days before parturition (190th to 265th day of gestation).
作者信息
Orban S, Liess B, Hafez S M, Frey H R, Blindow H, Sasse-Patzer B