21883
In contrast , IFN - PEG12 was efficiently absorbed from the SC injection site ( Fabs 82 % ) and approximately 20 % and 8 % of the injected dose was recovered in thoracic lymph over 30h after SC or IV administration respectively .
 Chemical: PEG12
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: PEG12