Dear User Pocketradiologist.com  is now at  http://www.us.elsevierhealth.com/medicine/radiology If you need to register your PocketRadiologist PDA, please call (800-692-9010) or email tech support (technical.support@elsevier.com) to get your registration number. Please update your bookmarks/favorites accordingly. Thanks http://www.pocketradiologist.com