Phytosterols in hull-less pumpkin seed oil, rich in ∆7-phytosterols, ameliorate benign prostatic hyperplasia by lowing 5α-reductase and regulating balance between cell proliferatio... oleh Xin-cong Kang, Tian Chen, Jia-li Zhou, Peng-yuan Shen, Si-hui Dai, Chang-qing Gao, Jia-yin Zhang, Xing-yao Xiong, Dong-bo Liu