Derivation versus validation.
Wade
A
A
Department of Epidemiology and Public Health Institute of Child Health, 30 Guilford Street London WC1N 1EH, UK. Awade@ich.ucl.ac.uk
D000465:Algorithms; D002648:Child; D006305:Health Status Indicators; D006801:Humans; D011379:Prognosis; D015203:Reproducibility of Results