题名 | Tiotropium or salmeterol as add-on therapy to inhaled corticosteroids for patients with moderate symptomatic asthma: two replicate, double-blind, placebo-controlled, parallel-group, active-comparator, randomised trials |
链接 | http://www.thelancet.com/journals/lanres/article/PIIS2213-2600(15)00031-4/abstract |
欢迎光临 科研速递论坛 (http://expaper.cn/) | Powered by Discuz! X2.5 |