4023
Animals with a tumor ( diameter , 15 . 8 + / - 3 . 3 mm ) were treated with iv injections of doxorubicin on 5 consecutive days , followed by 1 weekly injection for 7 weeks ( dose range , 0 . 015 - 4 . 0 mg / kg body wt ) .
 Disease: tumor; 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:
 Disease: tumor; Chemical: doxorubicin