00408nas a2200157   4500000000100000000000100001008004100002100001400043700002300057700001100080700001300091245011200104300001200216490000800228022001400236       2009                            d1 aM. Thomas1 aJ. von Ziegenweidt1 aA. Lee1 aD. Price00aHigh-dose inhaled corticosteroids versus add-on long-acting beta-agonists in asthma: an observational study  a116-1210 v123  a0091-6749