1. Lupus erythematosus and porphyria;Cram;Arch Dermatol,1973
2. Development of porphyria during chloroquine therapy for chronic discoid lupus erythematosus;Linden;Calif Med,1954
3. Porphyria cutanea tarda—lupus erythematosus?;Lynch;Arch Dermatol,1966
4. Coexistent systemic lupus erythematosus and porphyria;Harris;Arch Intern Med,1966
5. Subacute systemic lupus erythematosus: Porphyria;Vickers;Br J Dermatol,1962