h>
      <td>Nielsen_2003</td>
      <td>In utero infection with porcine reproductive and respiratory syndrome virus modulates leukocyte subpopulations in peripheral blood and bronchoalveolar fluid of surviving piglets</td>
      <td>Nielsen, J; Bøtner, A; Tingstedt, J.-E; Aasted, B; Johnsen, C.K; Riber, U; Lind, P</td>
      <td>2003</td>
      <td>2003-06-20</td>
      <td>PMC</td>
      <td>N</td>
      <td><a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7119814" target="_blank">PMC7119814</a></td