Media type: E-Article Title: Urine Drug Testing: Approaches to Screening and Confirmation Testing Contributor: Lum, Gifford; Mushlin, Barry imprint: Oxford University Press (OUP), 2004 Published in: Laboratory Medicine Language: English DOI: 10.1309/qhjcka4235egpegf ISSN: 0007-5027; 1943-7730 Keywords: Biochemistry (medical) ; Clinical Biochemistry Origination: Footnote: Access State: Open Access