論文（英文）
Ota K, Fukui K, Oba K, Shimoda A, Oka M, Ota K, Sakaue M, Takasu A. The role of ultrasound imaging in adult patients with testicular torsion: a systematic review and meta-analysis. J Med Ultrason (2001). 2019 Mar 7. doi: 10.1007/s10396-019-00937-3.
Ota K, Fukui K, Oba K, Shimoda A, Oka M, Ota K, Sakaue M, Takasu A. The role of ultrasound imaging in adult patients with testicular torsion: a systematic review and meta-analysis. J Med Ultrason (2001). 2019 Mar 7. doi: 10.1007/s10396-019-00937-3.