title: Lessons to be learnt from unsuccessful clinical trials.
authors.forename: Rosalind L
authors.initials: RL
authors.lastname: Smyth
mesh_terms: D018927:Anti-Asthmatic Agents / Q000627:therapeutic use*; D001249:Asthma / Q000188:drug therapy*; D002648:Child; D057239:Early Termination of Clinical Trials; D006801:Humans; D018579:Patient Selection; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012107:Research Design; D012109:Research Support as Topic
chemical_list: D018927:Anti-Asthmatic Agents