Use of RAAS-based therapy in hypertensive patients of different ethnicities: Where are we? Hypertension Symposia & Webinars Use of RAAS-based therapy in hypertensive patients of different ethnicities: Where are we? Watch the replay of Servier's Mini Symposium discussing RAAS-based therapy at ESH 2023 onsite in Milan and online with chairmen N. Ntusi (South Africa), N. Poulter (UK) and B. Williams (UK).