Department of Pediatric Surgery, Suining Central Hospital, Suining, 629000, China
Lin Li
Corresponding author. Department of ultrasound, Suining Central Hospital, No. 127, Desheng West Road, Chuanshan District, Suining, Sichuan, 629000, China.; Department of Ultrasound, Suining Central Hospital, Suining, 629000, China
