Pyrotinib Plus Trastuzumab Versus Pertuzumab Plus Trastuzumab In Patients With Her2-Positive Metastatic Breast Cancer: A Multicenter, Retrospective Study
Pyrotinib;Trastuzumab;Pertuzumab;Trastuzumab
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: Pyrotinib Plus Trastuzumab Versus Pertuzumab Plus Trastuzumab In Patients With Her2-Positive Metastatic Breast Cancer: A Multicenter, Retrospective Study ### Output: Pyrotinib;Trastuzumab;Pertuzumab;Trastuzumab