Iwagami, M, Caplin, B, Smeeth, L, Tomlinson, LA and Nitsch, D (2018). Clinical Codelist - ICD-10 Gastrointestinal Bleeding. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00000851.

Iwagami, M, Tomlinson, LA, Mansfield, KE, Douglas, IJ, Smeeth, L and Nitsch, D (2018). Clinical codelist - ICD-10 GI bleeding. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00000877.

Iwagami, M, Tomlinson, LA, Mansfield, KE, Douglas, IJ, Smeeth, L and Nitsch, D (2018). Clinical codelist - Read codes for GI bleeding. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00000879.

Roberts, I, Coats, T, Edwards, P, Gilmore, I, Jairath, V, Ker, K, Manno, D, Shakur, H, Stanworth, S and Veitch, A (2014). HALT-IT - tranexamic acid for the treatment of gastrointestinal bleeding: study protocol for a randomised controlled trial. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.89.