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The in vitro release profiles of octreotide and PEGylated octreotide from the selected P407 / PVA formulations were measured using a membrane - less device .
 Chemical: octreotide; Chemical: PEGylated octreotide; Chemical: P407; Chemical: PVA
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: octreotide; Chemical: PEGylated octreotide; Chemical: P407; Chemical: PVA