title: Caution urged amid wide variation in response rates to friends and family test.
authors.forename: Gareth
authors.initials: G
authors.lastname: Iacobucci
mesh_terms: D004636:Emergency Service, Hospital / Q000592:standards; D004739:England; D006761:Hospitals / Q000592:standards; D006801:Humans; D009313:National Health Programs / Q000706:statistics & numerical data*; D017060:Patient Satisfaction / Q000706:statistics & numerical data*; D011787:Quality of Health Care / Q000706:statistics & numerical data*