QR RESPIRATORY SYSTEM
QR03 DRUGS FOR OBSTRUCTIVE AIRWAY DISEASES
QR03B OTHER DRUGS FOR OBSTRUCTIVE AIRWAY DISEASES, INHALANTS
QR03BX Other drugs for obstructive airway diseases, inhalants
QR03BX01 fenspiride
QR03BX02 ensifentrine
Last updated: 2026-02-12

