title: DNA autoradiographic patterns in diploid, triploid and tetraploid amphibians (Ceratophrydidae).
mesh_terms: D000818:Animals; D001001:Anura; D001345:Autoradiography; D002875:Chromosomes / Q000378:metabolism*; D004247:DNA / Q000096:biosynthesis; D004261:DNA Replication; D004171:Diploidy; D011123:Polyploidy; D014316:Tritium
chemical_list: D014316:Tritium; D004247:DNA