3896
Intravenous or intratracheal inoculation of 2 . 0 to 2 . 5 mg of vincristine sulfate was followed by leukopenia in 4 to 5 days .
 Chemical: vincristine sulfate; Disease: leukopenia
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: vincristine sulfate; Disease: leukopenia