1932
Patients with acute myocardial infarction had higher plasma concentrations of neutrophil elastase and the non - peroxide diene conjugated isomer of linoleic acid than normal volunteers or patients with stable ischaemic heart disease .
 neutrophil elastase
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 neutrophil elastase