. 2018 May 10;2018:2694768. doi: 10.1155/2018/2694768
Copyright © 2018 Manuel M. Casas et al.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Samples of NB and an isolated PVC.