Single-cell analysis reveals clonally expanded CD57+ CD8 T cells in periphery are associated with response to PD-L1 blockade in bladder cancer patients
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: Single-cell analysis reveals clonally expanded CD57+ CD8 T cells in periphery are associated with response to PD-L1 blockade in bladder cancer patients ### Output: 