title: Elimination of the germ nuclei of Paramecium tetraurelia by laser microbeam irradiation.
mesh_terms: D000818:Animals; D002455:Cell Division; D002467:Cell Nucleus / Q000502:physiology / Q000528:radiation effects; D007834:Lasers; D010247:Paramecium / Q000502:physiology / Q000528:radiation effects* / Q000648:ultrastructure