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THE increasing demand for health-care services in the United States has been documented in several studies. The obvious solution, more manpower in all disciplines, is somewhat unrealistic. In all probability, the demand for health services, as presently organized, cannot be met at the rate that current education programs in the health professions can be expanded or replicated.1 There is considerable discussion regarding the delegation of certain aspects of medical care to new types of health professionals as a means of increasing the quantity of services available. Another possibility is to define more adequately the roles of existing disciplines, on the . . .
Lewis et al. (Thu,) studied this question.