1964
The occurrence of nephrotoxicity by means of an increase in serum creatinine and evaluation of efficacy via amikacin serum concentrations with respective pathogens were assessed .
 Disease: nephrotoxicity; Chemical: creatinine; Chemical: amikacin
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:
 Disease: nephrotoxicity; Chemical: creatinine; Chemical: amikacin