%0 Journal Article %T Estimation of Measurement Uncertainty in Quantitation of Benzoylecgonine (BZE) and 11-nor-Δ9-THC-9-carboxylic acid (THCA) %A Arfsten, Darryl P %A Roman Perez, Erick %A Goebel, Neal C %J Journal of Analytical Toxicology %V 42 %N 3 %P 141-148 %@ 0146-4760 %D 2018-04-01 %I Oxford University Press %~ DeepDyve