3915
SN - 38 rebound concentrations were observed in many courses at about 0 . 5 to 1 hour following the end of the i . v . infusion , which is suggestive of enterohepatic recycling .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None