The sources for data included in GIDEON currently include all relevant health ministry publications (electronic and print), peer review journal publications, and standard texts.
A partial listing is available here. While GIDEON is updated every day, the quality and frequency of data input vary widely from source to source.
A summary of newly added data is available here: What is new
Whenever possible, data points are assigned an electronically-linked reference number. If you require further details regarding sources, please get in touch!