Cytotoxicity Evaluation of Ethanol Extracts of Calendula, Phellinus, and Houttuynia and Their Hair Growth Effect on 3T3-L1 Cells January 2017 in “ 한국약용작물학회지 ” 진성우, 고영우, 윤경원, 김경제, 제해신, 임승빈, 김광상, 김민숙, 유병조, 서경순 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 kiss.kstudy.com →