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Difference between revisions of "Negation Sources"
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* Alan Rector, [http://slideplayer.com/slide/8895740/ Negation & Null Values (rough notes)] | * Alan Rector, [http://slideplayer.com/slide/8895740/ Negation & Null Values (rough notes)] | ||
** On preference for "absent" to "negation," at least at first | ** On preference for "absent" to "negation," at least at first | ||
| + | * [https://confluence.ihtsdotools.org/display/DOC/ SNOMED CT Technical Implementation Guide]: see 7.8.2.4.7 Retrieving absent findings | ||
Revision as of 20:45, 19 May 2016
Back to Negation Requirements
- Alan Rector, What's in a Code?
- On separation of ontology from terminology & use of "situation" construct to harmonize positive & negative assertions
- Alan Rector, Negation & Null Values (rough notes)
- On preference for "absent" to "negation," at least at first
- SNOMED CT Technical Implementation Guide: see 7.8.2.4.7 Retrieving absent findings
