Comparison of Four Risk Stratification Models for Prediction of Mortality in Systemic Sclerosis-associated Pulmonary Arterial Hypertension in the EUSTAR Cohort
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: Comparison of Four Risk Stratification Models for Prediction of Mortality in Systemic Sclerosis-associated Pulmonary Arterial Hypertension in the EUSTAR Cohort ### Output: 