. 2020 Jan 13;10(1):39. doi: 10.3390/diagnostics10010039
© 2020 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Figure 2.
Non-invasive targets and starting material.