TY - JOUR AU - Rappsilber, J; Ishihama, Y; Mann, M TI - Stop and go extraction tips for matrix-assisted laser desorption/ionization, nanoelectrospray, and LC/MS sample pretreatment in proteomics JO - Anal Chem IS - 03 VL - 75 PY - 2003 DO - 10.1021/ac026117i L3 - PubMed-ID: 12585499 SP - 663 EP - 670 ER -