Ultimately, we will want to be able to mine primary care data - that held by patients' GPs - for inclusion into the i2b2 data warehouse. When we do, the following links will be useful... MIQUEST is a project to allow data sharing across primary care:

http://www.connectingforhealth.nhs.uk/systemsandservices/data/miquest

http://www.medicine.ox.ac.uk/bandolier/booth/mgmt/PCDQ.html

No evidence yet of anyone using i2b2 to link to MIQUEST - this might be an interesting project for a bioinformatician PhD...