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We also examined mGlu1 / 5 receptor signaling by in vivo measurement of DHPG - stimulated polyphosphoinositides hydrolysis .
 Chemical: DHPG; Chemical: polyphosphoinositides
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: DHPG; Chemical: polyphosphoinositides