Niche Work When You Can Get It: Collagen XVII and the Melanocyte Stem Cell May 2011 in “ Pigment Cell & Melanoma Research ” Rasmus Freter 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 onlinelibrary.wiley.com →