title: Editors' Introduction to AnnalsATS Clinical Research Design Articles.
authors.affiliation: 1 Division of Pulmonary, Allergy, and Critical Care Medicine, Columbia University, New York, New York; and.
authors.forename: David J
authors.initials: DJ
authors.lastname: Lederer
authors.affiliation: 2 Pulmonary, Allergy, and Critical Care Division, University of Pennsylvania, Philadelphia, Pennsylvania.
authors.forename: John
authors.initials: J
authors.lastname: Hansen-Flaschen
mesh_terms: D000068456:Clinical Studies as Topic; D035081:Editorial Policies; D006801:Humans; D010506:Periodicals as Topic; D012107:Research Design / Q000592:standards*