%0 Journal Article %T Investigation of Nitrite Adulteration on the Immunoassay and GC-MS Analysis of Cannabinoids in Urine Specimens %A Tsai, Jane S.C. %A ElSohly, Mahmoud. A. %A Tsai, Shiow-Fen %A Murphy, Timothy P. %A Twarowska, Barbara %A Salamone, Salvatore J. %J Journal of Analytical Toxicology %V 24 %N 8 %P 708-714 %@ 0146-4760 %D 2000-11-01 %I Oxford University Press %~ DeepDyve