title: Application of a Fresnel zone plate to gamma-ray imaging.
mesh_terms: D006696:Holography; D007834:Lasers; D008722:Methods; D055095:Optics and Photonics; D010781:Photography; D011859:Radiography; D013667:Technetium; D013679:Technology, Radiologic
chemical_list: D013667:Technetium