Erythropoietic protoporphyria.
Mathews-Roth
M M
MM
D018592:Cross-Over Studies; D003545:Cysteine / Q000627:therapeutic use*; D004311:Double-Blind Method; D006801:Humans; D017121:Porphyria, Hepatoerythropoietic / Q000188:drug therapy*
D003545:Cysteine