title: A simple method of studying the effects of drugs and cytotoxic agents at the ultrastructural level.
mesh_terms: D002478:Cells, Cultured / Q000187:drug effects*; D003584:Cytological Techniques; D005260:Female; D006367:HeLa Cells / Q000187:drug effects / Q000648:ultrastructure; D006801:Humans; D008854:Microscopy, Electron