2201
We also demonstrated that OSCS can be identified in heparin products using a simple , inexpensive , commercially available heparin enzyme immunoassay ( EIA ) kit that has a limit of detection of approximately 0 . 1 % , well below the NOEL .
 Chemical: heparin; Chemical: heparin
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: heparin; Chemical: heparin