3685
In normal rats , 2 / 6 rats given free doxorubicin ( DX ) ( 5 mg / kg ) died within one week , whereas all control animals and all rats having received free NP or DXNP survived .
 Chemical: doxorubicin; Chemical: DX
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; Chemical: DX