TY - RPRT TI - Thin-layer chromatography-mass spectrometry using activated carbon, surface-assisted laser desorption/ionization. AU - Y C Chen AU - J Shiea AU - J Sunner PY - 1998 DO - 10.1016/s0021-9673(98)00726-2 UR - https://pubmed.ncbi.nlm.nih.gov/9850591/ ID - 9850591 ER -