15383
Perinatal phencyclidine administration decreases the density of cortical interneurons and increases the expression of neuregulin - 1 .
 Chemical: phencyclidine
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: phencyclidine 
Answer:
 Chemical: phencyclidine