TY - RPRT TI - Optimization of a hydrophobic solid-phase extraction interface for matrix-assisted laser desorption/ionization. AU - A H Brockman AU - N N Shah AU - R Orlando PY - 1998 DO - 10.1002/(sici)1096-9888(1998110)33:11<1141::aid-jms732>3.0.co;2-u UR - https://pubmed.ncbi.nlm.nih.gov/9835069/ ID - 9835069 ER -