A clinical trial to compare bevacizumab and atezolizumab, cisplatin and gemcitabine with atezolizumab, cisplatin and gemcitabine in people with untreated biliary tract cancer
A Study of Atezolizumab With or Without Bevacizumab in Combination With Cisplatin Plus Gemcitabine in Patients With Untreated, Advanced Biliary Tract Cancer
Cancer Biliary Tract Cancer
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