Peptide vaccination against PD-L1 reduces tumor growth in preclinical models through stimulation of PD-L1-targeting T cells in the tumor microenvironment.
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: Peptide vaccination against PD-L1 reduces tumor growth in preclinical models through stimulation of PD-L1-targeting T cells in the tumor microenvironment. ### Output: 