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The influence of L - dopa on the renal excretion of potassium was studied in 3 patients with hypokalemia and in 5 normokalemic patients by determination of renal plasma flow , glomerular filtration rate , plasma concentration of potassium and sodium as well as urinary excretion of potassium , sodium and aldosterone .
 Chemical: L - dopa; Chemical: potassium; Disease: hypokalemia; Chemical: potassium; Chemical: sodium; Chemical: potassium; Chemical: sodium; Chemical: aldosterone
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: L - dopa; Chemical: potassium; Disease: hypokalemia; Chemical: potassium; Chemical: sodium; Chemical: potassium; Chemical: sodium; Chemical: aldosterone