title: Evidence for the cerebral origin of the R-wave in the pig.
mesh_terms: D000818:Animals; D002540:Cerebral Cortex / Q000502:physiology*; D004569:Electroencephalography; D005071:Evoked Potentials; D009474:Neurons / Q000502:physiology; D010791:Phrenic Nerve / Q000502:physiology; D012119:Respiration; D013552:Swine