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METH and MDPV were consistently self - administered within 10 training sessions ( mg / kg / h ; METH Mean = 0 . 4 and Max = 1 . 15 ; MDPV Mean = 0 . 9 and Max = 5 . 8 ) .
 Chemical: METH; Chemical: MDPV; Chemical: METH; Chemical: MDPV
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: METH; Chemical: MDPV; Chemical: METH; Chemical: MDPV