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As this schedule exerted more toxicity than needed to investigate protective agents , the protection of ICRF - 187 was determined using a dose schedule with lower general toxicity ( 6 weekly doses of 4 mg / kg doxorubicin given i . v . plus 2 weeks of observation ) .
 Disease: toxicity; Chemical: ICRF - 187; Disease: toxicity; 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: toxicity; Chemical: ICRF - 187; Disease: toxicity; Chemical: doxorubicin