TY - SER AU - Vanderford,Brett J. TI - Analysis of p-chlorobenzoic acid in water by liquid chromatography - tandem mass spectrometry N1 - YA2008 M05 D01 Sources - Journal of Chromatography A Sources - 1164 (1-2) 2007 : 219-223 ISSN - 0021-9673 ER -