Thom, E Efficacy and tolerability of Hairgain in individuals with hair loss: a placebo-controlled, double-blind study. [electronic resource] - The Journal of international medical research - 2-6 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0300-0605 Standard No.: 10.1177/147323000102900101 doi Subjects--Topical Terms: AdolescentAdultAlopecia--drug therapyDietary SupplementsDouble-Blind MethodFemaleFollow-Up StudiesHumansMaleTreatment OutcomeVitamins--therapeutic use