16803
An aliquot was collected of each fecal portion spontaneously defecated 8 h before Synacthen injection to 24 h after injection and stored at - 20 degrees C until analysis .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None