3956
Reversal by phenylephrine of the beneficial effects of intravenous nitroglycerin in patients with acute myocardial infarction .
 phenylephrine, nitroglycerin, acute myocardial infarction
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 phenylephrine, nitroglycerin, acute myocardial infarction