ซื้อfenoterol hydrobromide 50 mcg/1 dose + ipratropium bromide 20 mcg/1 dose pressurised inhalation, solution, 200 dose actuation (51.99.99.99 -822984),salbutamol 100 mcg/1 dose pressurised inhalation, suspension, 200 dose actuation (51.99.99.99 -527368) โดยวิธีตกลงราคา