Cover of the Winter 1989 issue of Helix (Vol. 7, No. 1). The description (inside cover) reads: "Dr. Robert Cantrell operates a CO2 laser, which is used to remove tumors and other undesirable tissues. Physicians from a variety of medical center departments use several different types of lasers. The red beam from the CO2 laser was manipulated to make it appear in ths photograph."
Historical Collections & Services, Claude Moore Health Sciences Library, Charlottesville, Va.