Adjusting Survival Data For Treatment Crossover In The Elevate-Tn Trial By Using A Historical Cohort Of Patients Treated With Chemoimmunotherapy In Front-Line Chronic Lymphocytic Leukemia
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: Adjusting Survival Data For Treatment Crossover In The Elevate-Tn Trial By Using A Historical Cohort Of Patients Treated With Chemoimmunotherapy In Front-Line Chronic Lymphocytic Leukemia ### Output: 