title: Inhaled β2-agonists in asthma management: an evolving story.
abstract: The history and the future of inhaled β2-agonists in asthma managementhttp://ow.ly/s1s4305l4k4.
authors.affiliation: Serviço de Imunoalergologia, Centro Hospitalar São João, EPE, Porto, Portugal; Laboratory of Immunology, Basic and Clinical Immunology Unit, Faculty of Medicine, University of Porto, Porto, Portugal.
authors.forename: Diana
authors.initials: D
authors.lastname: Silva
authors.affiliation: Allergology, CUF Porto Hospital and Instituto, Porto, Portugal; CINTESIS - Center for Research in Health Technologies and Information Systems, Faculty of Medicine, University of Porto, Porto, Portugal.
authors.forename: Tiago
authors.initials: T
authors.lastname: Jacinto