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Griffiths, R I., N R. Powe, D J. Gaskin, G F. Anderson, G V. de Lissovoy, و P K. Whelton. The Production of Dialysis By For-profit Versus Not-for-profit Freestanding Renal Dialysis Facilities. 1994.

Griffiths, R I., et al. The Production of Dialysis By For-profit Versus Not-for-profit Freestanding Renal Dialysis Facilities. 1994.