Doctors and drops.
Charing Cross Hospital, London.
G
G
Gallagher
I
I
Mackay
D001623:Betamethasone / Q000008:administration & dosage*; D006801:Humans; D007322:Instillation, Drug; D010254:Paranasal Sinus Diseases / Q000188:drug therapy*; D011187:Posture
D001623:Betamethasone