The Impact of Botulinum Toxin on Hair Transplantation Outcomes: A Split-Scalp Randomized Controlled Trial November 2025 in “ Mendeley Data ” Li, Jiaqi 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 data.mendeley.com →