title: Ultrastructural changes inducible with the plant alkaloid camptothecin.
mesh_terms: D000970:Antineoplastic Agents; D001345:Autoradiography; D002166:Camptothecin / Q000008:administration & dosage / Q000494:pharmacology*; D002460:Cell Line; D002466:Cell Nucleolus / Q000187:drug effects; D002843:Chromatin; D003609:Dactinomycin / Q000494:pharmacology; D004347:Drug Interactions; D006801:Humans; D008854:Microscopy, Electron; D012313:RNA / Q000096:biosynthesis; D013997:Time Factors; D014316:Tritium
chemical_list: D000970:Antineoplastic Agents; D002843:Chromatin; D014316:Tritium; D003609:Dactinomycin; D012313:RNA; D002166:Camptothecin