A Retrospective Cohort Study of Switching Patterns Among Hemophilia a and B Patients Using Optum Electronic Health Records (EHR) Database in the United States (US)
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: A Retrospective Cohort Study of Switching Patterns Among Hemophilia a and B Patients Using Optum Electronic Health Records (EHR) Database in the United States (US) ### Output: 