A proposal for changes to the modelling of TRANSACTION in the openEHR reference model, based on a more formal notion of contributions, and some corrections of current models can be found at: http://www.deepthought.com.au/health/openEHR/rm/contrib.pdf
For those interested, please review and post any comments. regards, - thomas beale - If you have any questions about using this list, please send a message to d.lloyd at openehr.org

