The newspaper says the doctors have:
The Lib Dem MP for Lewes, Norman Baker, has written a book on the Kelly case.
compiled a detailed medical dossier that rejects the Hutton conclusion on the grounds that a cut to the ulnar artery, which is small and difficult to access, could not have caused death.
It will be used by their lawyers to demand a formal inquest and the release of Dr Kelly's autopsy report, which has never been published. It will also be sent to Sir John Chilcot's forthcoming inquiry into the Iraq War.
The 12-page opinion, a copy of which has been seen by The Mail on Sunday, concludes: "The bleeding from Dr Kelly's ulnar artery is highly unlikely to have been so voluminous and rapid that it was the cause of death."
We advise the instructing solicitors to obtain the autopsy reports so that the concerns of a group of properly interested medical specialists can be answered."