An Efficient Approach to Evaluate Reporter Ion Behavior from MALDI-MS/MS Data for Quantification Studies Using Isobaric Tags. - Cologna SM; Crutchfield CA; Searle BC; Blank PS; Toth CL; Ely AM; Picache JA; Backlund PS; Wassif CA; Porter FD; Yergey AL (Journal of proteome research, 2015)