iε-(γ<sup>-Glutamyl</sup>) lysine cross-linkage in citrulline-containing protein fractions from hair February 1971 in “ Biochemistry ” Harry W.J. Harding, George E. Rogers We don't know much about this study yet. We're maintaining the world's largest resposity of hair loss research. You can help out the community by sending a PDF of this study here . Not sure how to get a study's PDF? You can email the authors of the study. View this study on pubs.acs.org →