# ISO 21090 data types too complex?: HL7 models are created with clinician ...

**URL:** <https://discourse.openehr.org/t/iso-21090-data-types-too-complex-hl7-models-are-created-with-clinician/13834>\
**Category:** Technical (archive)\
**Created:** [12 November 2010 10:42 UTC](https://discourse.openehr.org/t/iso-21090-data-types-too-complex-hl7-models-are-created-with-clinician/13834 "2010-11-12T10:42:22Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![williamtfgoossen](https://discourse.openehr.org/letter_avatar_proxy/v4/letter/w/aca169/32.png) [@williamtfgoossen](https://discourse.openehr.org/u/williamtfgoossen)\
**Post date:** [12 November 2010 10:42 UTC](https://discourse.openehr.org/t/iso-21090-data-types-too-complex-hl7-models-are-created-with-clinician/13834/1 "2010-11-12T10:42:22Z")

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In a message dated 10-11-2010 8:41:09 W. Europe Standard Time, [hugh.leslie@oceaninformatics.com](mailto:hugh.leslie@oceaninformatics.com) writes:

> Hi William
> 
> I didn’t see anyone say that the hl7 models have been developed without clinical input. I am certain this isn’t true.
> 
> I don’t completely agree with you about the ease of accessibility for clinicians of UML models and MIF models - it’s not our experience.
> 
> Regards Hugh

Let us then agree to that we have different experiences with clinicians appreciating UML.

William

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