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Clinical Trial Summary

14098 inactive donors were randomly divided into three groups according to age, sex, blood donation frequency,time of last donation and blood donation site, one group acted as the control group, one will be recruited by telephone recruitment on "need", and one will just be called for improvement suggestions of blood donor service.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT04078893
Study type Interventional
Source Guangzhou Blood Center
Contact
Status Recruiting
Phase N/A
Start date October 20, 2019
Completion date January 29, 2020

See also
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