Retreatment and Its Efficiency of Thalidomide for Vascular Malformation Patients With Failure of First Course Treatment
Conditions
- Gastrointestinal Bleeding of Unknown Origin
- Gastrointestinal Vascular Malformation
- Thalidomide Efficiency
Interventions
- DRUG: Thalidomide
- OTHER: Placebo
Sponsor
Zhizheng Ge