. 2019 Jun 14;27(1):22–30. doi: 10.1093/jamia/ocz075
© The Author(s) 2019. Published by Oxford University Press on behalf of the American Medical Informatics Association.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 2.
An example of nested entities.