Carbazole is a naturally occurring inhibitor of angiogenesis and inflammation isolated from antipsoriatic coal tar

Jack L. Arbiser, Baskaran Govindarajan, Traci E. Battle, Rebecca Lynch, David A. Frank, Masuko Ushio-Fukai, Betsy N. Perry, David F. Stern, G. Tim Bowden, Anquan Liu, Eva Klein, Pawel J. Kolodziejski, N. Tony Eissa, Chowdhury F. Hossain, Dale G. Nagle