Identifying Subtypes Of Heart Failure From Three Electronic Health Record Sources With Machinelearning : An External , Prognostic , And Genetic Validation Study Ucl Discovery On day 153 of the year 2023 which happened to be a Friday in the month of June Identifying subtypes of heart failure from three electronic health record sources with #MachineLearning : an external , prognostic , and genetic validation study - @UCL Discovery