17960
The data identify phosphoproteins differentially regulated by amphetamine treatment and / or the presence of endogenous PTN / MK which may be relevant mediators of PTN / MK neuroprotective effects against amphetamine - induced neurotoxicity .
 Chemical: amphetamine; Chemical: amphetamine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: amphetamine; Chemical: amphetamine