2387
The toxic effects of tacrine - loaded poly - L - lactid acid nanoparticles ( 5mg / kg ) , a saline solution of tacrine ( 5mg / kg ) and an empty colloidal nanoparticle suspension were compared following i . p . administration in LiCl - pre - treated Wistar rats .
 Chemical: tacrine; Chemical: poly - L - lactid acid; Chemical: tacrine; Chemical: LiCl
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: tacrine; Chemical: poly - L - lactid acid; Chemical: tacrine; Chemical: LiCl