23648
Similarly , the perchlorate intake rates associated with the onset of subclinical hypothyroidism ranged from 54 . 8 to 21 . 5 micro g / kg / day for daily iodide intake of 250 - 75 micro g / day .
 Chemical: perchlorate; Chemical: iodide
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: perchlorate; Chemical: iodide