5237
In agreement with the increased Cyp2d mRNA , Cyp2d - mediated dextrorphan formation from dextromethorphan was increased 2 . 7 - fold ( P < 0 . 05 ) on GD19 ( 56 . 8 +/- 39 . 4 pmol / min / mg protein ) when compared with the non - pregnant controls ( 20 . 8 +/- 11 . 2 pmol / min / mg protein ) .
 Chemical: dextrorphan; Chemical: dextromethorphan
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: dextrorphan; Chemical: dextromethorphan