Guo, Z. ., C. . Gu, S. . Li, S. . Gan, Y. . Li, S. . Xiang, L. . Gong, and shusheng wang. “Association Between Marital Status and Prognosis in Patients With Prostate Cancer: A Meta-Analysis of Observational Studies”. Urology Journal, vol. 18, no. 04, Nov. 2020, pp. 371-9, doi:10.22037/uj.v18i04.6197.