title: Rebuttal from Drs Hansen and Porszasz.
authors.affiliation: David Geffen School of Medicine at UCLA, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA. Electronic address: jhansen@labiomed.org.
authors.forename: James E
authors.initials: JE
authors.lastname: Hansen
authors.affiliation: David Geffen School of Medicine at UCLA, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA.
authors.forename: Janos
authors.initials: J
authors.lastname: Porszasz
mesh_terms: D001993:Bronchodilator Agents / Q000494:pharmacology*; D005541:Forced Expiratory Volume / Q000502:physiology*; D006801:Humans; D008168:Lung / Q000187:drug effects* / Q000502:physiology*; D014797:Vital Capacity / Q000502:physiology*
chemical_list: D001993:Bronchodilator Agents