7146
Furthermore , a qualitative in vitro - in vivo correlation was observed , possibly facilitating future optimization of the Triptorelin - hexPLA sustained - release formulations .
 Chemical: Triptorelin; Chemical: hexPLA
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: Triptorelin; Chemical: hexPLA