
Merck’s KEYTRUDA® (pembrolizumab) Plus Chemotherapy Significantly Improved Overall Survival Compared to Chemotherapy Alone in Patients With Advanced or Unresectable Biliary Tract Cancer
Merck’s KEYTRUDA® (pembrolizumab) Plus Chemotherapy Significantly Improved Overall Survival Compared to Chemotherapy Alone in Patients With Advanced or Unresectable Biliary Tract Cancer RAHWAY, N.J.–(BUSINESS WIRE)– Merck (NYSE: MRK), known as MSD…












