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RAND Corporation
> L. Jay Helms
L. Jay Helms
title
ISBN-13
(ISBN-10)
year of publication
Copayments and demand for medical care: The California medicaid experience
978-O-833O-OOO5-7
(O-833O-OOO5-5)
1978
J. H.
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J. Helms
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Jay H.
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L -H
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L. Helms
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L.J.
L. Jay Katz