TY - RPRT TI - An electrospray-ionization mass spectrometer with new features. AU - S K Chowdhury AU - V Katta AU - B T Chait PY - 1990 DO - 10.1002/rcm.1290040305 UR - https://pubmed.ncbi.nlm.nih.gov/2134340/ ID - 2134340 ER -