title: Densitometric analysis of double label autoradiographs.
mesh_terms: D001345:Autoradiography / Q000379:methods*; D002250:Carbon Radioisotopes; D002455:Cell Division; D004247:DNA / Q000096:biosynthesis*; D059828:Plant Cells; D010944:Plants / Q000378:metabolism*; D013053:Spectrophotometry; D013936:Thymidine; D014316:Tritium
chemical_list: D002250:Carbon Radioisotopes; D014316:Tritium; D004247:DNA; D013936:Thymidine