Greenhall, G, Mansfield, KE, Nitsch, D, Iwagami, M, Leyrat, C, Johnston, R, Smeeth, L and Tomlinson, LA (2019). Clinical codelist - Hypertension. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00001031.