title: Understanding research studies.
authors.forename: S L
authors.initials: SL
authors.lastname: Jacob
mesh_terms: D004632:Emergency Medical Services / Q000639:trends; D006302:Health Services Research / Q000379:methods*; D006801:Humans; D020380:Needs Assessment; D017063:Outcome Assessment, Health Care; D017060:Patient Satisfaction; D012107:Research Design; D014481:United States