Human skin comes in many different shades. Recent studies of geographical differences in skin colour open up the subject scientifically by offering sophisticated accounts of the basis of this variation.
机构:
Imperial Coll NHS Trust, Dept Dermatol, St Marys Hosp, London, EnglandRoyal London Hosp Barts Hlth NHS Trust, Royal London Hosp, Dept Dermatol, London E1 1RD, England