Inhibition of STAT3 enhances sensitivity to tamoxifen in tamoxifen-resistant breast cancer cells. - Moon, Seo Yun; Lee, Heejin; Kim, Seoree; Hong, Ji Hyung; Chun, Sang Hoon; Lee, Hee Yeon; Kang, Keunsoo; Kim, Ho Shik; Won, Hye Sung; Ko, Yoon Ho (BMC Cancer, 2021)