Comparison of the efficacy and toxicity of anti-PD-1 monoclonal antibodies (nivolumab versus pembrolizumab) in treatment of patients with metastatic melanoma.
Nivolumab;Pembrolizumab
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: Comparison of the efficacy and toxicity of anti-PD-1 monoclonal antibodies (nivolumab versus pembrolizumab) in treatment of patients with metastatic melanoma. ### Output: Nivolumab;Pembrolizumab