Bregnhøj A, Søsted H
Department of Dermatology and Allergology, Research Centre for Hairdressers and Beauticians, Gentofte Hospital, University of Copenhagen, Dk-2900 Hellerup, Denmark.
Contact Dermatitis. 2009 Dec;61(6):356-7. doi: 10.1111/j.1600-0536.2009.01644.x.