Four rules to guide customer service.
Johnson
Joyce E
JE
Georgetown University Hospital, Washington, D.C., USA.
D003258:Consumer Behavior; D004046:Dietetics; D005521:Food Service, Hospital / Q000592:standards*; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D011361:Professional Competence; D011786:Quality Control; D017749:Total Quality Management; D014481:United States