title: A multiple head tissue sampler drill for regional myocardial studies.
mesh_terms: D000255:Adenosine Triphosphate / Q000032:analysis; D000818:Animals; D001706:Biopsy / Q000295:instrumentation*; D003326:Coronary Circulation; D004285:Dogs; D005615:Freezing; D006321:Heart / Q000502:physiology; D006352:Heart Ventricles; D009206:Myocardium / Q000032:analysis; D010725:Phosphocreatine / Q000032:analysis; D012039:Regional Blood Flow
chemical_list: D010725:Phosphocreatine; D000255:Adenosine Triphosphate