2695
Efficacy and safety of asenapine in a placebo - and haloperidol - controlled trial in patients with acute exacerbation of schizophrenia .
 asenapine, haloperidol, schizophrenia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 asenapine, haloperidol, schizophrenia