ซื้อfenoterol hydrobromide 50 mcg/1 dose + ipratropium bromide 20 mcg/1 dose , 200 dose actuation (51.99.99.99 -822984),budesonide 100 mcg/1 dose inhalation powder, 200 dose inhalation (51.99.99.99 -665017),salbutamol 200 mcg/1 dose inhalation powder, 200 dose inhalation (51.99.99.99 -780898) โดยวิธีตกลงราคา