Effect of an artificial intelligence-powered programmed death-ligand 1 combined positive score analyzer in urothelial cancer on inter-observer and inter-site variability.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: Identify all the mentioned drugs in the given text. Text may or may not contain drug. If they contain more than 1 drug, use ";" as delimiter and join them. ### Input: Effect of an artificial intelligence-powered programmed death-ligand 1 combined positive score analyzer in urothelial cancer on inter-observer and inter-site variability. ### Output: 