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Intraperitoneal administration of cholecystokinin octapeptide sulphate ester ( CCK - 8 - SE ) and nonsulphated cholecystokinin octapeptide ( CCK - 8 - NS ) enhanced the latency of seizures induced by picrotoxin in mice .
 Chemical: cholecystokinin octapeptide; Chemical: CCK - 8; Chemical: cholecystokinin octapeptide; Chemical: CCK - 8; Disease: seizures; Chemical: picrotoxin
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: cholecystokinin octapeptide; Chemical: CCK - 8; Chemical: cholecystokinin octapeptide; Chemical: CCK - 8; Disease: seizures; Chemical: picrotoxin