Xia, Jiadong, Jie Chen, Jian-Xin Xue, Jie Yang, and Zeng-Jun Wang. 2017. “An Up-to-Date Meta-Analysis of Coffee Consumption and Risk of Prostate Cancer”. Urology Journal 14 (5):4079-88. https://doi.org/10.22037/uj.v14i5.3683.