Down Syndrome Screening Based on Dried Blood Spots and Cell-free Fetal DNA
Clinical trial NCT01837979 · UNKNOWN
Trial details
- NCT number
- NCT01837979
- Sponsor
- Peking Union Medical College Hospital
- Status
- UNKNOWN
- Study type
- OBSERVATIONAL
- Start date
- 2013-04-01
- Primary completion
- 2015-01-01
- Enrollment
- 2000
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