Clinical Observation of Androgenetic Alopecia Treated with Yishen Decoction January 2004 in “ The Chinese Journal of Dermatovenereology ” Wang Ya 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 en.cnki.com.cn →