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13. Radioimmunuassay compared to thin-layer and gas--liquid chromatography for detecting methadone in human urine. Roerig DL, Wang RI, Mueller MM, Lewand DL, Adams SM. Clin Chem; 1976 Nov; 22(11):1915-8. PubMed ID: 975556 [Abstract] [Full Text] [Related]
14. Studies on the use of XAD-2 resin for detection of abused drugs in urine. Kullberg MP, Gorodetzky CW. Clin Chem; 1974 Feb; 20(2):177-83. PubMed ID: 4812991 [No Abstract] [Full Text] [Related]