4150
Pimozide did not affect the actions of L - dopa on blood pressure and heart rate but completely blocked the enhancement of reflexes .
 Pimozide, L - dopa
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Pimozide, L - dopa