Keywords
blue, brain, close-up, color image, colored background, colour image, gamma knife, halo, healthcare and medicine, human head, ideas, illustration, illustration and painting, light beam, medical equipment, operating, profile, red, silhouette, silhouetted, superstock, surgery, tumor, vertical, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, 1501r-1137, 1501r 1137, 1501r1137