Lewin AY (1983). “Measuring Routine Nursing Service Efficiency – a Comparison of Costper Patient Day and Data Envelopment Analysis Models – Comment.” HEALTH SERVICES RESEARCH 1: 206-208.

Lewin AY (1983). “Measuring Routine Nursing Service Efficiency – a Comparison of Costper Patient Day and Data Envelopment Analysis Models – Comment.” HEALTH SERVICES RESEARCH 1: 206-208.

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