AUTORADIOGRAPHY WITH THE ELECTRON MICROSCOPE; A QUANTITATIVE EVALUATION.
D000663:Amphibians; D000818:Animals; D001345:Autoradiography; D004583:Electrons; D008853:Microscopy; D008854:Microscopy, Electron; D055585:Physical Phenomena; D010825:Physics; D012106:Research; D013936:Thymidine; D014316:Tritium
D014316:Tritium; D013936:Thymidine
AMPHIBIA; EXPERIMENTAL LAB STUDY; MICROSCOPY, ELECTRON; PHYSICS; RADIOAUTOGRAPHY; THYMIDINE; TRITIUM