@article{article, title = {Effect of vaccination of pregnant beef heifers on the concentrations of serum IgG and specific antibodies to bovine herpesvirus 1, bovine viral diarrhea virus 1, and bovine viral diarrhea virus 2 in heifers and calves}, author = {}, year = {2019}, journal = {Canadian Journal of Veterinary Research}, volume = {83}, number = {4}, pages = {313-316}, howpublished = "\url{https://eurekamag.com/research/069/383/069383059.php}" }