Widstrom E, M Linna and T Niskanen (2004). “Productive Efficiency and its Determinants in the Finnish Public Dental Service.” Community Dentistry & Oral Epidemiology 32(1): 31-40.

Widstrom E, M Linna and T Niskanen (2004). “Productive Efficiency and its Determinants in the Finnish Public Dental Service.” Community Dentistry & Oral Epidemiology 32(1): 31-40.

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