Peripheral blood epigenetic immune-profiling and survival outcomes with anti-programmed death (PD)-1 based therapy in recurrent/metastatic (R/M) squamous cell carcinoma of head and neck (SCCHN).
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: Peripheral blood epigenetic immune-profiling and survival outcomes with anti-programmed death (PD)-1 based therapy in recurrent/metastatic (R/M) squamous cell carcinoma of head and neck (SCCHN). ### Output: 