1218
IT MK - 801 significantly reduced the number of dark - stained alpha - motoneurons after morphine - induced spastic paraparesis compared with the saline group .
 Chemical: MK - 801; Chemical: morphine; Disease: spastic paraparesis
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: MK - 801; Chemical: morphine; Disease: spastic paraparesis