Thủy, Nguyễn Thị Mai, and Đỗ Văn Khang. “The Value of Ultrasonography in the Diagnosis of Impalpable Undescended Testis”. Journal of Medical Research 199, no. 2 (March 9, 2026): 99-107. Accessed November 11, 2026. https://tapchinghiencuuyhoc.vn/index.php/tcncyh/article/view/4627.