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The economics of health and health care /  Sherman Folland, Allen C. Goodman, Miron Stano.   - 4th ed.   - Upper Saddle River, N.J. :  Prentice Hall,  c2004.   - xxvii, 618 p. :  ill., map, port. ;  24 cm.   - Prentice Hall series in economics .  - Prentice-Hall series in economics .