Inhibition by parthenolide of phorbol ester-induced transcriptional activation of inducible nitric oxide synthase gene in a human monocyte cell line THP-1 - Fukuda, K; Hibiya, Y; Mutoh, M; Ohno, Y; Yamashita, K; Akao, S; Fujiwara, H (Biochem Pharmacol, 2000)