title: Safe care is more complex than ratios.
authors.forename: Dean
authors.initials: D
authors.lastname: Royles
mesh_terms: D006801:Humans; D007902:Length of Stay / Q000639:trends; D009741:Nursing Staff, Hospital / Q000600:supply & distribution*; D010348:Patient Care Team / Q000592:standards* / Q000706:statistics & numerical data; D061214:Patient Safety / Q000592:standards* / Q000706:statistics & numerical data; D010561:Personnel Staffing and Scheduling / Q000592:standards* / Q000706:statistics & numerical data; D013222:State Medicine; D006113:United Kingdom