1371
Space limitations prevent an exhaustive review of all biologic pharmaceuticals , such as tissue plasminogen activating substance , hormones ( e . g . , thyroid , insulin , growth hormone , erythropoietin ) , clotting factors , and blood products .
 tissue plasminogen activating substance, insulin, growth hormone, erythropoietin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 tissue plasminogen activating substance, insulin, growth hormone, erythropoietin