RIDGEFIELD, Conn., March 1, 2014 /PRNewswire/ -- Boehringer Ingelheim today presented data from Phase 3 studies of tiotropium delivered via the Respimat® inhaler in mild, moderate and severe asthma patients at the 2014 American Academy of Allergy, Asthma & Immunology (AAAAI) annual meeting in San Diego. Tiotropium is being studied to determine...
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