GEYS, Helena

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GEYS, Helena
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helena.geys@uhasselt.be
 
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Publications

Results 61-80 of 101 (Search time: 0.004 seconds).

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Issue DateTitleContributor(s)TypeCat.
612003Use of fractional polynomials for dose-response modelling and quantitative risk assessment in developmental toxicity studiesFAES, Christel; GEYS, Helena; AERTS, Marc; MOLENBERGHS, GeertJournal ContributionA1
622002Individual level covariatesWILLIAMS, Paige; GEYS, HelenaBook SectionB2
632002Pseudo-likelihood inferenceGEYS, Helena; MOLENBERGHS, GeertBook SectionB3
642002Mixed OutcomesMOLENBERGHS, Geert; GEYS, HelenaBook SectionB3
652002Pseudo-likelihood estimationGEYS, Helena; MOLENBERGHS, Geert; Ryan, LouiseBook SectionB3
662002Bayesian models in the evaluation of surrogate endpointsTORRES BARBOSA, Franz; TIBALDI, Fabian; CORTINAS ABRAHANTES, Jose; BURZYKOWSKI, Tomasz; GEYS, Helena; Allende, S.; MOLENBERGHS, GeertProceedings PaperC2
672002Generalized Estimating EquationsGEYS, Helena; MOLENBERGHS, Geert; Ryan, LouiseBook SectionB3
682002Validation of surrogate markers in multiple randomized clinical trials with repeated measuresALONSO ABAD, Ariel; GEYS, Helena; MOLENBERGHS, Geert; Kenward, Michael G.; VANGENEUGDEN, TonyProceedings PaperC2
692002Statistical challenges in the evaluation of surrogate endpoints in randomized trialsMOLENBERGHS, Geert; BUYSE, Marc; GEYS, Helena; RENARD, Didier; BURZYKOWSKI, Tomasz; ALONSO ABAD, ArielJournal ContributionA1
702002Challenges in the methodology for the validation of surrogate endpoints in randomized trialsMOLENBERGHS, Geert; BUYSE, Marc; GEYS, Helena; RENARD, Didier; BURZYKOWSKI, TomaszProceedings PaperC2
712002Topics in Modelling of Clustered DataAERTS, Marc; GEYS, Helena; MOLENBERGHS, Geert; Ryan, LouiseBookB3
722002Modelling combined continuous and ordinal outcomes from developmental toxicity studiesFAES, Christel; GEYS, Helena; AERTS, Marc; MOLENBERGHS, Geert; CATALANO, PaulProceedings PaperC2
732002Trend of cervical cancer mortality in Belgium (1954-1994): Tentative solution for the certification problem of unspecified uterine cancerArbyn, Marc; GEYS, HelenaJournal ContributionA1
742002Immunologic parameter evaluation as surrogate of the survival time in patients with advanced lung cancerGonzalez, G; TORRES BARBOSA, Franz; TIBALDI, Fabian; CORTINAS ABRAHANTES, Jose; GEYS, Helena; MOLENBERGHS, GeertJournal ContributionM
752002Prostate-specific antigen screening coverage and prostate cancer incidence rates in the Belgian province of Limburg in 1996-1998Lousbergh, D.; Buntinx, Frank; GEYS, Helena; Du Bois, M.; Dhollander, D.; MOLENBERGHS, GeertJournal ContributionA1
762002Validation of surrogate endpoints in multiple randomized clinical trials with discrete outcomesRENARD, Didier; GEYS, Helena; MOLENBERGHS, Geert; BURZYKOWSKI, Tomasz; BUYSE, MarcJournal ContributionA1
772002Analysis of toxicology data with covariates specific to each observationGEYS, Helena; MOLENBERGHS, Geert; Williams, PaigeJournal ContributionA1
782002Analysis of clustered binary data with covariates specific to each observationGEYS, Helena; MOLENBERGHS, Geert; Williams, Paige L.Journal ContributionA1
792002Investigating the criterion validity of psychiatric symptom scales using surrogate marker validation methodologyALONSO ABAD, Ariel; GEYS, Helena; MOLENBERGHS, Geert; VANGENEUGDEN, TonyJournal ContributionA1
802001Mapping Cancer Incidence in the Province of Limburg, BelgiumGEYS, Helena; Lousbergh, Daniël; MOLENBERGHS, Geert; Buntinx, FrankResearch ReportR2
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