8 Spence Spence JD JD Rayner Rayner BL BL Hypertension in Blacks Individualized Therapy Based on Renin/Aldosterone Phenotyping Hypertension in Blacks Individualized Therapy Based on Renin/Aldosterone Phenotyping Hypertension Hypertension 2018 2018 72 72 2 2 263 263 69 69 29941519 29941519. This evidence concerns the gene REN and Hypertension.