Index test:Bone 
Sponsors
Tongi Hospital, Tongji Medical College, Huazhong University of Science and Technology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine
Conditions
Bone age
Unknown Phase
Evaluation of bone age by conventional ultrasound
Active, not recruitingChiCTR1900027917
Start: 2019-12-30Updated: 2019-12-10
A multicenter study of bone age evaluation by ultrasound
RecruitingChiCTR2100051280
Start: 2021-12-30Updated: 2022-08-08
Bone age evaluation by ultrasound in patients with precocious puberty
Active, not recruitingChiCTR2200061219
Start: 2022-07-01Updated: 2023-03-26