title: Performance characteristics of a microreflectometer for measuring autoradiographic grain density.
mesh_terms: D000818:Animals; D001345:Autoradiography; D001921:Brain / Q000378:metabolism; D007274:Injections, Intraperitoneal; D008722:Methods; D051379:Mice; D010784:Photomicrography / Q000295:instrumentation*; D013936:Thymidine; D014316:Tritium
chemical_list: D014316:Tritium; D013936:Thymidine