Effect of primary tumor location on second- or later-line treatment with anti-epidermal growth factor receptor antibodies in patients with metastatic colorectal cancer: A retrospective multicenter study.
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 primary tumor location on second- or later-line treatment with anti-epidermal growth factor receptor antibodies in patients with metastatic colorectal cancer: A retrospective multicenter study. ### Output: 