“…Of these 168 CT examinations, we have made 203 sets of 3-D reconstructions as we reconstructed some cases more than once on different systems. Of these, 132 were reconstructed using a Cemax 1500X system [30], 57 using research software on a VAX 750 at Philips Medical Systems in Best, The Netherlands [31], 9 using the DMI system [32], 1 on the research system at the University College Hospital in London [33], 2 using the Pixar system at San Rafael, California, U.S.A. [34,35], 1 on the Camra system of ISG at Mississauga, Ontario, Canada, and 1 on the MEK Endoplan system in Kiel, Federal Republic of Germany [88].…”