title: Tritiated actinomycin D as a cytochemical label for small amounts of DNA.
mesh_terms: D000818:Animals; D002875:Chromosomes; D004247:DNA / Q000032:analysis*; D003609:Dactinomycin; D006651:Histocytochemistry; D014316:Tritium; D014562:Caudata
chemical_list: D014316:Tritium; D003609:Dactinomycin; D004247:DNA