Development and validation of multivariable machine learning algorithms to predict risk of cancer in symptomatic patients referred urgently from primary care: a diagnostic accuracy... oleh Richard D Neal, Nisha Sharma, Colin Johnston, Richard Savage, Sean Duffy, Geoff Hall, Peter Selby, Matthew D Neal, Bethany Shinkins, Mike Messenger, Rosie Ferguson, Katherine L Lloyd, Nigel Sansom, Jim R Skinner, Giles Tully