# ref_impl_eiffel [138] Add DV_RATIO

**Category:** [Reference Implementation: Eiffel (archive)](https://discourse.openehr.org/c/reference-implementation-eiffel-archive/161)
**Created:** 2006-12-23 00:28 UTC
**Views:** 3
**Replies:** 0
**URL:** https://discourse.openehr.org/t/ref-impl-eiffel-138-add-dv-ratio/12201

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## Post #1 by @svn1

Revision: 138
Author:   thomas\.beale

Log Message:

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**Canonical:** https://discourse.openehr.org/t/ref-impl-eiffel-138-add-dv-ratio/12201
**Original content:** https://discourse.openehr.org/t/ref-impl-eiffel-138-add-dv-ratio/12201