Title Item Type No Grouping Mansfield, KE, Nitsch, D, Smeeth, L, Iwagami, M, Johnston, R and Tomlinson, LA (2020). ISAC Protocol 17_197R: The effect of renin-angiotensin system inhibitors on haemoglobin. [Dataset]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/PUBS.04656899