Does pooling saliva for cotinine testing save money without losing information?
By: Robert M. Bell, Phyllis L. Ellickson.
Contributors: Ellickson, Phyllis L., 1942-.
Series: Rand note -- N.3089-CHF
Publisher: Rand Corp.
Published: 1989
Place of publication: Santa Monica, Ca
Language: eng
Subjects: Order statistics.; Regression analysis.
Notes: "December 1989."

Bibliography : p. 5.