title: Dr Stephen Baker opines: Electronic arrows - do we really need them now?
authors: Dept. of Imaging Sciences URMC, Golisano Childrens Hospital, 601 Elmwood Avenue, P.O. Box 648, Rochester, NY 14642-8648, United States. Electronic address: Johan_Blickman@urmc.rochester.edu.
authors: Johan
authors: J
authors: Blickmann