TY - STAND AU - M. Quiroga AU - E. Shephard AU - L. Mounce AU - M. Carney AU - W. Hamilton AU - S. Price BT - Fam Pract DO - 10.1093/fampra/cmaa132 PY - 2020 T2 - Fam Pract TI - Quantifying the impact of pre-existing conditions on the stage of oesophagogastric cancer at diagnosis: a primary care cohort study using electronic medical records SN - 0263-2136 ER -