Forbes, H (2019). Clinical Code List - Hip Fracture - ICD-10 Codes. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00001197.

Mansfield, KE, Schmidt, SAJ, Darvalics, B, Mulick, A, Abuabara, K, Wong, A, Sørensen, HT, Smeeth, L, Bhaskaran, K, Silva, I, Silverwood, R and Langan, S (2019). Clinical Codelist - Asthma Diagnostic - ICD-10 Codes. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00001270.

Mansfield, KE, Schmidt, SAJ, Darvalics, B, Mulick, A, Abuabara, K, Wong, A, Sørensen, HT, Smeeth, L, Bhaskaran, K, Silva, I, Silverwood, R and Langan, S (2019). Clinical Codelist - Cancer Diagnostic - ICD-9 codes. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00001267.

Schmidt, SAJ and Langan, S (2019). Clinical Code List - Charlson Comorbidity - ICD-10 Codes. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00001233.

Schmidt, SAJ and Langan, S (2019). Clinical Code List - Diabetes - ICD-10 Codes. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00001236.

Schmidt, SAJ and Langan, S (2019). Clinical Code List - Terminal Disease - ICD-10 Codes. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00001260.