Effect of ethanol extract of Erythrina fusca Lour (cangkring) leaves on suppression of cyclooxygenase-2 expression in raji cell line - Ikawati, Zullies; Faculty of Pharmacy Universitas Gadjah Mada Yogyakarta (Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia, 2006)