title: Looking within: Part 2. Photons, protons, and all that....
authors.affiliation: Georgetown University School of Medicine, Department of Radiation Medicine, Washington, D.C., USA.
authors.forename: A B
authors.initials: AB
authors.lastname: Wolbarst
mesh_terms: D003952:Diagnostic Imaging; D006801:Humans; D017785:Photons; D011522:Protons; D011827:Radiation; D011878:Radiotherapy
chemical_list: D011522:Protons