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. 2017 Mar 7;8:11. doi: 10.1186/s13326-017-0115-3

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© The Author(s). 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — The overall architecture of LAERTES within the OHDSI clinical research software environment. REST: representational state transfer, OHDSI: Observational Health Data Sciences and Informatics, API: application programming interface, DBMS: database management system, CDM: common data model, OA: Open Annotation Data, RDF: Resource Description Framework