title: [Clinical studies for open heart surgery with extracorporeal circulation serum enzyme activity, acid-base balance and electrolyte levels].
mesh_terms: D000136:Acid-Base Equilibrium; D000293:Adolescent; D000328:Adult; D000429:Alcohol Oxidoreductases / Q000097:blood*; D006348:Cardiac Surgical Procedures; D002648:Child; D002675:Child, Preschool; D004573:Electrolytes / Q000097:blood*; D005112:Extracorporeal Circulation; D005260:Female; D006801:Humans; D008297:Male; D014166:Transferases / Q000097:blood*
chemical_list: D004573:Electrolytes; D000429:Alcohol Oxidoreductases; D014166:Transferases