3984
The analogues CCK - 8 - SE and CCK - 8 - NS ( dose range 0 . 2 - 6 . 4 mumol / kg ) and caerulein dose range 0 . 1 - 0 . 8 mumol / kg ) showed bell - shaped dose - effect curves , with the greatest maximum inhibition for CCK - 8 - NS .
 Chemical: CCK - 8; Chemical: CCK - 8; Chemical: caerulein; Chemical: CCK - 8
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: CCK - 8; Chemical: CCK - 8; Chemical: caerulein; Chemical: CCK - 8