27631
Results : The variability measured in adult - derived actuator settings did not result in any differences in spray weight , but pediatric participants spraying with low AF and / or compression velocity ( CV ) were predicted to receive a partial dose or no dose at all under some circumstances .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 None