Cutting Edge: The HLA-A*0101-Restricted HY Minor Histocompatibility Antigen Originates from <i>DFFRY</i> and Contains a Cysteinylated Cysteine Residue as Identified by a Novel Mass Spectrometric TechniqueRichard A. Pierce, Víctor H. Engelhard, Jeffrey Shabanowitz et al.|The Journal of Immunology|1999Cited by 147