title: [A simple method for recording beats of cultured myocardial cell (author's transl)].
mesh_terms: D000818:Animals; D002478:Cells, Cultured; D003584:Cytological Techniques; D006339:Heart Rate; D008027:Light; D008853:Microscopy; D009206:Myocardium / Q000166:cytology*; D051381:Rats; D011919:Rats, Inbred Strains