Computerized Digital Imaging Techniques Provided by Digital X-ray Radiogrammetry as New Diagnostic Tool in Rheumatoid Arthritis. - Joachim Böttcher; Alexander Pfeil; Anders Rosholm; Max-Ludwig Schäfer; Ansgar Malich; Alexander Petrovitch; Bettina Seidl; Gabriele Lehmann; Hans-Joachim Mentzel; Gert Hein; Gunter Wolf; Werner A. Kaiser (J. Digit. Imaging, 2006)