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Snell, Kym IE, Archer, Lucinda, Ensor, Joie, Bonnett, Laura J 
ORCID: 0000-0002-6981-9212, Debray, Thomas PA, Phillips, Bob, Collins, Gary S and Riley, Richard D
(2021)
External validation of clinical prediction models: simulation-based sample size calculations were more reliable than rules-of-thumb.
JOURNAL OF CLINICAL EPIDEMIOLOGY, 135.
pp. 79-89.
de Jong, Valentijn MT, Moons, Karel GM, Riley, Richard D, Tudur Smith, Catrin ORCID: 0000-0003-3051-1445, Marson, Anthony G ORCID: 0000-0002-6861-8806, Eijkemans, Marinus JC and Debray, Thomas PA
(2020)
Individual participant data meta-analysis of intervention studies with time-to-event outcomes: A review of the methodology and an applied example.
RESEARCH SYNTHESIS METHODS, 11 (2).
pp. 148-168.