Hift, R J. Porphyria : a guide for people with porphyria and their doctors / R J Hift ; P N Meissner and D M Meissner. - South Africa : MRC/UCT Liver Research Centre, 1991. - 44 p. : ill. ; 21 cm. Subjects--Topical Terms: Porphyria--Genetic aspects.Porphyrias.Genetic diseases, Inborn.