17244
The initial IV busulfan dose in children weighing <= 12 kg ranged 4 . 8 - fold , with only 19 % prescribed the package insert dose of 1 . 1 mg / kg .
 Chemical: busulfan
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: busulfan