%0 Journal Article %J Analytical Chemistry %D 2000 %T Site-specific mass tagging with stable isotopes in proteins for accurate and efficient protein identification %A Chen, X. %A L. M. Smith %A Bradbury, E. M. %B Analytical Chemistry %V 72 %P 1134-1143 %8 Mar %@ 0003-2700 %G eng %R 10.1021/ac9911600 %0 Journal Article %J Analytical Chemistry %D 1999 %T Stable-isotope-assisted MALDI-TOF mass spectrometry for accurate determination of nucleotide compositions of PCR products %A Chen, X. %A Fei, Z. D. %A L. M. Smith %A Bradbury, E. M. %A Majidi, V. %B Analytical Chemistry %V 71 %P 3118-3125 %8 Aug %@ 0003-2700 %G eng %R 10.1021/ac9812680