TY - RPRT TI - Thin-layer chromatography and electrospray mass spectrometry coupled using a surface sampling probe. AU - Gary J Van Berkel AU - Amaury D Sanchez AU - J Martin E Quirke PY - 2002 DO - 10.1021/ac020540+ UR - https://pubmed.ncbi.nlm.nih.gov/12510741/ ID - 12510741 ER -