title: A study of beating frequency of a single myocardial cell. I. Q-switched laser microirradiation of mitochondria.
mesh_terms: D000818:Animals; D002478:Cells, Cultured; D006321:Heart / Q000528:radiation effects; D007834:Lasers; D008722:Methods; D008854:Microscopy, Electron; D008931:Mitochondria, Muscle / Q000528:radiation effects*; D009119:Muscle Contraction / Q000528:radiation effects*; D009206:Myocardium / Q000166:cytology*; D011829:Radiation Dosage; D011830:Radiation Effects; D051381:Rats; D013194:Staining and Labeling