TY - RPRT TI - Identification of proteins in complexes by solid-phase microextraction/multistep elution/capillary electrophoresis/tandem mass spectrometry. AU - W Tong AU - A Link AU - J K Eng AU - J R Yates PY - 1999 DO - 10.1021/ac9901182 UR - https://pubmed.ncbi.nlm.nih.gov/10405597/ ID - 10405597 ER -