18748
Selective antagonism of somatostatin receptor type 2 ( SSTR2 - ) normalizes glucagon and corticosterone responses to hypoglycemic clamp in diabetic rats .
 Chemical: somatostatin; Chemical: corticosterone
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: somatostatin, corticosterone 
Answer:
 Chemical: somatostatin; Chemical: corticosterone