PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10329815-2 1999 OBJECTIVES: The primary aim of this study was to evaluate whether there is a potential in vivo interaction between long- and short-acting beta2-agonists in the presence of increased airway tone induced by methacholine. Methacholine Chloride 205-217 potassium calcium-activated channel subfamily M regulatory beta subunit 2 Homo sapiens 138-143