Well insomnia has struck again but I have come across some interesting reading
Started by finding this
Which lead to this, a bit heavy going but I think I get the gist.
If your still conscious after 'reading' that. Unfortunately I was ! Then theres lots more interesting stuff in the references at the bottom of the article. Ive selected a few. Most are extracts but the full piece can be viewed by clicking the link at the bottom. If your looking for stuff for your doctor or endo, I hope your black ink cartridge is full. Mines now empty !
These are just a selection. Lots more interesting stuff in the references