Iwagami, M, Caplin, B, Smeeth, L, Tomlinson, LA and Nitsch, D (2018). Therapy Codelist - BNF codes for anti-diabetics. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00000873.

Wang, Z, Wong, A, Matthewman, J, Warren-Gash, C and Herrett, E (2023). Code lists for "Association between mortality and warfarin comparing with direct oral anticoagulants: a population-based cohort study". [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00003652.