17615
The G beta gamma - subunit inhibitor , gallein , was administered to C57BL / 6J mice by intraperitoneal injection before morphine , and data were compared with mice treated with vehicle , morphine , or gallein alone .
 Chemical: gallein; Chemical: morphine; Chemical: morphine; Chemical: gallein
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: gallein; Chemical: morphine; Chemical: morphine; Chemical: gallein