consistency 
Sponsors
SIchuan Cancer Hospital, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Nanjing Maternity and Child Health Care Hospital
Conditions
Breast CancerNovel Coronavirus Pneumonia (COVID-19)infertility
Early Phase 1
Contrast enhanced ultrasound of sentinel lymph nodes in breast cancer: a prospective multicenter study
RecruitingChiCTR2000037656
Start: 2020-10-01Updated: 2020-11-02
A clinical trial of a new pharyngeal exposure device for pharyngeal swab operation and its effect of testing novel coronavirus pneumonia (COVID-19) infection
Active, not recruitingChiCTR2000039593
Start: 2020-03-11Updated: 2021-02-08