Statistical testing of differences in causal behaviour of two morphologically indistinguishable objects.
D001345:Autoradiography; D001699:Biometry; D002467:Cell Nucleus / Q000378:metabolism; D002875:Chromosomes / Q000528:radiation effects*; D004247:DNA / Q000096:biosynthesis*; D008954:Models, Biological; D011830:Radiation Effects; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
D014316:Tritium; D004247:DNA; D013936:Thymidine