Evaluation of PD-1/PD-L1 and CTLA-4 immune checkpoints and angiogenic activity in ovarian cancer after oncotherad immunotherapy associated to erythropoietin.
Erythropoietin
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: Evaluation of PD-1/PD-L1 and CTLA-4 immune checkpoints and angiogenic activity in ovarian cancer after oncotherad immunotherapy associated to erythropoietin. ### Output: Erythropoietin