Efek kombinasi kurkumin dengan cisplatin pada model tikus kanker ovarium yang diinduksi DMBA (7,12-dimethilbenz(a)anthracene) melalui jalur aktivasi receptor endothelin = The combination effect of curcumin and cisplatin in a mouse model of DMBA (7,12-dimethylbenz(a)anthracene) induced ovarian cancer via the endothelin receptor activation pathway