title: Guest editorial: vulnerability revisited.
authors.forename: Doris
authors.initials: D
authors.lastname: Schroeder
authors.forename: Gardar
authors.initials: G
authors.lastname: Arnason
mesh_terms: D002986:Clinical Trials as Topic / Q000941:ethics*; D003068:Coercion; D003906:Developing Countries; D006801:Humans; D009042:Motivation; D018579:Patient Selection / Q000941:ethics*; D035842:Research Subjects / Q000191:economics / Q000523:psychology; D035862:Vulnerable Populations / Q000523:psychology; D016387:Women's Health