Porphyria cutanea tarda in an HIV-1-infected patient after the initiation of tipranavir/ritonavir: case report.
Celesia BM, Onorante A, Nunnari G, Mughini MT, Mavilla S, Massimino SD, Russo R. Porphyria cutanea tarda in an HIV-1-infected patient after the initiation of tipranavir/ritonavir: case report. AIDS. 2007 Jul 11; 21(11):1495-6.