Background Many studies have shown the superior efficacy of budesonide (BUD)/formoterol (FORM) maintenance and reliever therapy, but still lack evidence of its efficacy in Chinese asthma patients in a relative lar...
Salmeterol is a long-acting β2-agonist that activates adenylate cyclase, causing long-lasting bronchodilation and has been used for many years to control asthma. However, little information is available about the imm...