7
The aim of this review is to describe and compare in silico , in vitro , in situ , ex vivo and in vivo methods used to predict human intestinal absorption , giving a special attention to the intestinal absorption of therapeutic peptides and proteins .
 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