title: Benzopyrones and the placebo "arm".
authors.forename: R
authors.initials: R
authors.lastname: Twycross
mesh_terms: D003374:Coumarins / Q000627:therapeutic use*; D006801:Humans; D008209:Lymphedema / Q000188:drug therapy*; D010919:Placebos; D016032:Randomized Controlled Trials as Topic; D012107:Research Design
chemical_list: D003374:Coumarins; D010919:Placebos