How to develop a more accurate risk prediction model when there are few events [Correction]

Pavlou, M; Ambler, G; Seaman, SR; Guttmann, O; Elliott, P; King, M; Omar, RZ; (2016) How to develop a more accurate risk prediction model when there are few events [Correction]. BMJ - British Medical Journal , 353 , Article i3235. 10.1136/bmj.i3235 . Green open access

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