3875
Physical and quantitative sensory examination with determination of vibratory perception and thermal discrimination thresholds were performed , four to 77 months ( median 34 months ) after vincristine treatment .
 Chemical: vincristine
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