External validation and comparison of two nomograms predicting the probability of lymph node involvement in patients subjected to robotic radical prostatectomy and concomitant lymph node dissection
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: External validation and comparison of two nomograms predicting the probability of lymph node involvement in patients subjected to robotic radical prostatectomy and concomitant lymph node dissection ### Output: 