Has this been published yet, and if so, does anyone have a PDF? Regards, Michael Lovejoy Happ, J. 2003. Periosteal reaction to injuries of the supraorbital horn and squamosal of an adult Triceratops (Dinosauria: Ceratopsidae). Society of Vertebrate Paleontology annual meeting. Oct. 15-18. St. Paul, Minn.