[Alex Small/The Daily Pennsylvanian] Sheila McFarland, the head nurse of the Gamma Knife Center at Pennsylvania Hospital at 800 Spruce St., talks about the cutting-edge cancer-fighting technology. Procedures using the gamma knife as a non-invasive
[Alex Small/The Daily Pennsylvanian] Sheila McFarland, the head nurse of the Gamma Knife Center at Pennsylvania Hospital at 800 Spruce St., talks about the cutting-edge cancer-fighting technology. Procedures using the gamma knife as a non-invasive