hands of a patient with psoriasis close-up under an ultraviolet lamp. Light therapy, phototherapy
Keywords
psoriasis,
chronic,
dermatology,
ultraviolet,
disease,
treatment,
clinic,
modern,
technology,
apparatus,
light,
hand,
radiation,
spectrum,
irradiation,
beam,
wave,
penetrate,
epidermis,
prevention,
immunity,
ultraviolet rays