%0 Journal Article %T Label-Free Quantitation and Mapping of the ErbB2 Tumor Receptor by Multiple Protease Digestion with Data-Dependent (MS1) and Data-Independent (MS2) Acquisitions %A Jason M. Held %A Birgit Schilling %A Alexandria K. D'Souza %A Tara Srinivasan %J International Journal of Proteomics %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/791985 %U http://dx.doi.org/10.1155/2013/791985