Blood Donor Recruitment During Epidemic of COVID-19
NCT04306055
·
clinicaltrials.gov ↗
NA
Phase
COMPLETED
Status
19491
Enrollment
OTHER_GOV
Sponsor class
Conditions
Blood Donation
Interventions
OTHER:
Questionnaire with precaution information
OTHER:
Experimental: Questionnaire without precaution information
Sponsor
Guangzhou Blood Center