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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) |
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| Authors: | S Orban B Liess S M Hafez H R Frey H Blindow B Sasse-Patzer |
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