title: [RELATION OF THE EFFECT OF UREA ON THE FROG HEART TO THE ELECTROLYTE LEVEL IN THE MEDIUM].
mesh_terms: D000818:Animals; D001001:Anura; D004573:Electrolytes; D006321:Heart; D010477:Perfusion; D010600:Pharmacology; D011898:Ranidae; D012106:Research; D014508:Urea; D014882:Water-Electrolyte Balance
chemical_list: D004573:Electrolytes; D014508:Urea
keywords: EXPERIMENTAL LAB STUDY; FROGS; HEART; PERFUSION; PHARMACOLOGY; UREA; WATER-ELECTROLYTE BALANCE
vernacular_title: DZIALANIE MOCZNIKA NA SERCE ZABY W ZALEZNOSCI OD POZIOMU ELEKTROLITOW W PLYNIE ODZYQCZYM.