archetypes - distniguishing multiple alternative constraints of a single-valued attribute

[Sam Heard]

An HTML attachment was scrubbed...
URL: 
<http://lists.openehr.org/mailman/private/openehr-technical_lists.openehr.org/attachments/20080717/061f6655/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: OceanInformaticsl.JPG
Type: image/jpeg
Size: 5828 bytes
Desc: not available
URL: 
<http://lists.openehr.org/mailman/private/openehr-technical_lists.openehr.org/attachments/20080717/061f6655/attachment.JPG>