4147
L - Dopa ( 5 mg / kg i . v . ) decreased blood pressure and heart rate after extracerebral decarboxylase inhibition with MK - 486 ( 25 mg / kg i . v . ) in anesthetize MAO - inhibited dogs .
 L - Dopa, MK - 486, MAO
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 L - Dopa, MK - 486, MAO