title: Respondent burden in clinical research: when are we asking too much of subjects?
authors.affiliation: Center for Bioethics, Department of Medical Ethics, University of Pennsylvania, Philadelphia, PA, USA.
authors.forename: Connie M
authors.initials: CM
authors.lastname: Ulrich
authors.forename: Gwenyth R
authors.initials: GR
authors.lastname: Wallen
authors.forename: Autumn
authors.initials: A
authors.lastname: Feister
authors.forename: Christine
authors.initials: C
authors.lastname: Grady
mesh_terms: D002986:Clinical Trials as Topic / Q000941:ethics* / Q000523:psychology*; D016638:Critical Illness; D028744:Ethics Committees, Research; D005221:Fatigue; D006801:Humans; D007258:Informed Consent; D010344:Patient Advocacy; D018579:Patient Selection / Q000941:ethics*; D005082:Physical Exertion / Q000941:ethics; D035842:Research Subjects / Q000523:psychology*; D013315:Stress, Psychological