Predictive value of abnormal blood tests for detecting cancer in primary care patients with nonspecific abdominal symptoms: A population-based cohort study of 477,870 patients in England. - Rafiq, Meena; Renzi, Cristina; White, Becky; Zakkak, Nadine; Nicholson, Brian; Lyratzopoulos, Georgios; Barclay, Matthew (PLoS Medicine, 2024)