4260
Concern has been raised with regard to the safety of lorazepam in this age group , especially in very - low - birth - weight ( VLBW ; < 1 , 500 g ) infants .
 Chemical: lorazepam
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: lorazepam