383
Twenty - nine days after injection of 5 . 8 mCi of Tc - 99m , which gives 28 rads to the testis , the number of sperm hads decreased to 70 % of control .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None