Biotech shares fall as company halts asthma drug trials.
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D015105:3',5'-Cyclic-AMP Phosphodiesterases; D018927:Anti-Asthmatic Agents / Q000191:economics / Q000627:therapeutic use; D001709:Biotechnology / Q000191:economics*; D017322:Clinical Trials, Phase II as Topic / Q000191:economics; D054703:Cyclic Nucleotide Phosphodiesterases, Type 4; D006801:Humans; D010726:Phosphodiesterase Inhibitors / Q000191:economics / Q000627:therapeutic use; D010727:Phosphoric Diester Hydrolases; D006113:United Kingdom
D018927:Anti-Asthmatic Agents; D010726:Phosphodiesterase Inhibitors; D010727:Phosphoric Diester Hydrolases; D015105:3',5'-Cyclic-AMP Phosphodiesterases; D054703:Cyclic Nucleotide Phosphodiesterases, Type 4