Observation services--past, present, and future.
M A
MA
Ross
R J
RJ
Zalenski
D004636:Emergency Service, Hospital / Q000191:economics; D017721:Hospital Costs; D006757:Hospital Units / Q000191:economics / Q000639:trends; D006760:Hospitalization / Q000191:economics / Q000706:statistics & numerical data / Q000639:trends; D006801:Humans; D007902:Length of Stay / Q000706:statistics & numerical data; D019370:Observation; D010343:Patient Admission / Q000706:statistics & numerical data; D017060:Patient Satisfaction; D014481:United States