. 2015 Oct 14;10(10):e0140055. doi: 10.1371/journal.pone.0140055
© 2015 Mahran et al
This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.
Fig 1. Schematic diagram of the experimental design.
