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. 2018 Jul 23;18(Suppl 2):41. doi: 10.1186/s12911-018-0636-4

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© The Author(s). 2018

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. 5 — A SPARQL query that extracts the sex information of all patients, where (a) is a graphical representation of the relationship between a ‘ncit:patient’ and its ‘ncit:sex at birth’, (b) shows the SPARQL query, and (c) shows the query results