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

**Category:** [Technical (archive)](https://discourse.openehr.org/c/technical-archive/156)
**Created:** 2010-11-12 10:42 UTC
**Views:** 1
**Replies:** 0
**URL:** https://discourse.openehr.org/t/iso-21090-data-types-too-complex-hl7-models-are-created-with-clinician/13834

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## Post #1 by @williamtfgoossen

In a message dated 10-11-2010 8:41:09 W. Europe Standard Time, 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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