More than a survey.
Duffin
C
C
D019538:Health Care Surveys; D006297:Health Services Accessibility / Q000592:standards; D006801:Humans; D010344:Patient Advocacy; D011785:Quality Assurance, Health Care / Q000458:organization & administration*; D013222:State Medicine / Q000592:standards*; D013997:Time Factors; D006113:United Kingdom