Nozicková-Novotná, M Some points on threshold effects and action spectra in porphyria cutanea tarda. [electronic resource] - Sbornik vedeckych praci Lekarske fakulty Karlovy university v Hradci Kralove 1982 - 9-41 p. digital Publication Type: Journal Article ISSN: 0049-5514 Subjects--Topical Terms: AdolescentAdultAgedFemaleHumansMaleMiddle AgedPorphyrias--diagnosisSkin--radiation effectsSkin Diseases--diagnosisUltraviolet Rays