Beta 2-agonists in asthma.
D000420:Albuterol / Q000009:adverse effects / Q000031:analogs & derivatives* / Q000627:therapeutic use; D001249:Asthma / Q000188:drug therapy*; D004346:Drug Information Services / Q000592:standards; D005280:Fenoterol / Q000009:adverse effects; D006801:Humans; D011358:Product Surveillance, Postmarketing; D000068299:Salmeterol Xinafoate; D013997:Time Factors
D005280:Fenoterol; D000068299:Salmeterol Xinafoate; D000420:Albuterol