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Papers published by Professor Werner Vach:
Original Research
Using existing questionnaires in latent class analysis: should we use summary scores or single items as input? A methodological study using a cohort of patients with low back pain
Nielsen AM, Vach W, Kent P, Hestbaek L, Kongsted A
Clinical Epidemiology 2016, 8:73-89
Published Date: 26 April 2016
Original Research
Analyzing noninferiority trials: it is time for advantage deficit assessment – an observational study of published noninferiority trials
Gladstone BP, Vach W
Open Access Journal of Clinical Trials 2015, 7:11-21
Published Date: 27 January 2015