4425
The ST interval significantly widened from 15 . 0 + / - 1 . 5 to 56 . 8 + / - 11 . 8 ms in week 10 ( 7 weekly doses of 4 mg / kg doxorubicin given i . v . plus 3 weeks of observation ) .
 Chemical: doxorubicin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: doxorubicin