20709
Moreover , 125I uptake and efflux experiments show the correct protein function and iodine retention , that translate into cytotoxicity effects , as demonstrated by a clonogenic assay with 131I .
 Chemical: 125I; Chemical: iodine; Chemical: 131I
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: 125I; Chemical: iodine; Chemical: 131I