Bell, Robert M.

Does Pooling Saliva for cotinine testing save money without losing information? Robert M. Bell, Phyllis L. Ellicson prepared for the conrad N. Hilton Foundation. - California : Rand Corporation, 1989. - 5 p. ; 28 cm. - A Rand note ; N-3089-CHF . - Rand note ; N-3089-CHF. .

Includes bibliographical references.

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