TY - SER AU - Gethard,Ken AU - Mitra,Somenath TI - Carbon nanotube enhanced membrane distillation for online preconcentration of trace pharmaceuticals in polar solvents N1 - YA2011 M09 ISSN - 0003-2654 Sources - Analyst Sources - 136 (12) 2011 : 2643-2648 ER -