How long should urologists observe patients with prostate cancer after radical prostatectomy? Weibull analysis - Hasegawa, Masanori; Yamada, Koichiro; Shigeta, Keisuke; Yuzuriha, Soichiro; Kawakami, Masayoshi; Kim, Hakushi; Nakano, Mayura; Nitta, Masahiro; Kawamura, Yoshiaki; Shoji, Sunao; Miyajima, Akira (International journal of urology, 2022)