proportion 
Sponsors
Wang Yin, West China Hospital, SiChuan University
Conditions
Pulmonary lesionsosteoporosis
Unknown Phase
Value of contrast-enhanced ultrasound in the differential diagnosis of pleural-based benign and malignant pleural-based pulmonary lesions
Active, not recruitingChiCTR1800019828
Start: 2019-01-01Updated: 2018-12-04
The AP radiograph prior to joint arthroplasty: is assessment of bone mineral density possible?
RecruitingChiCTR2000041016
Start: 2020-12-11Updated: 2021-03-01