National Survey of the Impact of COVID-19 Pandemics
NCT04491201
·
clinicaltrials.gov ↗
UNKNOWN
Status
6000
Enrollment
OTHER
Sponsor class
Conditions
COVID-19 Pandemics
Obstetrics and Gynecology
Workload
Questionnaire
National Survey
China
Interventions
OTHER:
Customized questionnaire
Sponsor
Lei Li