"Safety Alerts for Human Medical Products - Long-Acting Beta agonists (LABAs) and Inhaled Corticosteroids (ICS): Drug Safety Communication - Boxed Warning About Asthma-Related Death Removed".
Truy cập ngày 13 tháng 12 năm 2017.  ^ “Safety Alerts for Human Medical Products - Long-Acting Beta agonists (LABAs) and Inhaled Corticosteroids (ICS): Drug Safety Communication - Boxed Warning About Asthma-Related Death Removed”.