title: Levalbuterol versuss levalbuterol plus ipratropium in the treatment of severe acute asthma.
authors.affiliation: Department of Emergency Medicine, MetroHealth Medical Center, Case Western Reserve University, School of Medicine, Cleveland, OH 44109, USA. rcydulka@metrohealth.org
authors.forename: Rita K
authors.initials: RK
authors.lastname: Cydulka
authors.forename: Charles L
authors.initials: CL
authors.lastname: Emerman
authors.forename: Anthony
authors.initials: A
authors.lastname: Muni