Sexton TR, AM Leiken, AH Nolan, S Liss, A Hogan and RH Silkman (1989). “Evaluating Managerial Efficiency of Veterans Administration Medical – Centers Using Data Envelopment Analysis.” Medical Care 2: 1175-1188.

Sexton TR, AM Leiken, AH Nolan, S Liss, A Hogan and RH Silkman (1989). “Evaluating Managerial Efficiency of Veterans Administration Medical – Centers Using Data Envelopment Analysis.” Medical Care 2: 1175-1188.

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