Without any independent verification, these results can't be classified as anything but allegations. No truly scientific test results are considered valid unless they can be examined and verified by others. Doctor Ruggero Bertelli, a professor emeritus of normal human anatomy at the University of Siena. Also Professor Urbano, the chief analyst of the city hospital of Lanciano and a professor at the University of Florence. I can find no papers published by any of these men in any mainstream publication.
Scientists publish extraordinary findings in prestigious journals.
Brown makes his literary living as a Catholic apologist and has many titles to his credit. He makes his living that way now, but previously he was a completely secular journalist with no interest in anything having to do with religion or miracles. His career changed after he experienced his own encounter with the supernatural.