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- [43] RETRACTED ARTICLE: Meta-analysis of contrast-enhanced ultrasound and contrast-enhanced harmonic endoscopic ultrasound for the diagnosis of gallbladder malignancy BMC Medical Informatics and Decision Making, 20
- [44] Retraction Note: Meta-analysis of contrast-enhanced ultrasound and contrast-enhanced harmonic endoscopic ultrasound for the diagnosis of gallbladder malignancy BMC Medical Informatics and Decision Making, 22