24920
OBJECTIVE : We assessed effects of yohimbine , which increases norepinephrine release by blocking alpha - 2 noradrenergic receptors , on plasma catecholamine metabolites , blood pressure , subjective symptoms , and laboratory - measured rapid - response impulsivity .
 Chemical: yohimbine; Chemical: norepinephrine; Chemical: catecholamine
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: yohimbine; Chemical: norepinephrine; Chemical: catecholamine