S. Wellek

S. Wellek, E. Merz, S. Wellek, 1996, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Prospective randomised trial of chemotherapy given before radiotherapy in childhood medulloblastoma. International Society of Paediatric Oncology (SIOP) and the (German) Society of Paediatric Oncology (GPO): SIOP II.

S. Wellek, M. Jones, A. Gnekow, 1995, Medical and pediatric oncology.

Stratification of medulloblastoma on the basis of histopathological grading

P. Kleihues, H. Ohgaki, S. Wellek, 2006, Acta Neuropathologica.

The Neuronal Nitric Oxide Synthase Gene Is Critically Involved in Neurobehavioral Effects of Alcohol

R. Spanagel, G. Schumann, S. Wellek, 2002, The Journal of Neuroscience.

Advanced dynamic Doppler flow of the pulmonary artery in a normal population: reference values from 18 to 41 weeks of gestation calculated by automatic Doppler waveform analysis

S. Wellek, F. Bahlmann, M. Fittschen, 2014, Archives of Gynecology and Obstetrics.

Reference values of ductus venosus flow velocities and calculated waveform indices

S. Wellek, E. Merz, F. Bahlmann, 2000, Prenatal diagnosis.

[Transvaginal ultrasound biometry in early pregnancy--a growth model].

S. Wellek, E. Merz, F. Bahlmann, 2008, Ultraschall in der Medizin.

[Normal fetal growth profile--a uniform model for calculating normal curves for current head and abdomen parameters and long limb bones].

S. Wellek, E. Merz, 2008, Ultraschall in der Medizin.

S. Wellek, E. Merz, 1995, Methods of Information in Medicine.

S. Wellek, I. Reinhard, 2001, Methods of Information in Medicine.

[Normal ultrasound curves of the fetal osseous thorax and fetal lung].

S. Wellek, E. Merz, F. Bahlmann, 1995, Geburtshilfe und Frauenheilkunde.

Blood flow velocity waveforms of the fetal middle cerebral artery in a normal population: reference values from 18 weeks to 42 weeks of gestation

S. Wellek, F. Krummenauer, F. Bahlmann, 2002, Journal of perinatal medicine.

Adjuvant cisplatin plus methotrexate versus methotrexate, vinblastine, epirubicin, and cisplatin in locally advanced bladder cancer: results of a randomized, multicenter, phase III trial (AUO-AB 05/95).

P. Albers, M. Stöckle, T. Kälble, 2005, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

Factors influencing survival after resection of pancreatic cancer. A DNA analysis and a histomorphologic study

M. Stöckle, S. Wellek, T. Junginger, 1994, Cancer.

Investigating Hardy–Weinberg equilibrium in case–control or cohort studies or meta-analysis

A. Ziegler, S. Wellek, K. van Steen, 2011, Breast Cancer Research and Treatment.

Genotype-phenotype studies in bipolar disorder showing association between the DAOA/G30 locus and persecutory delusions: a first step toward a molecular genetic classification of psychiatric phenotypes.

S. Cichon, M. Rietschel, M. Nöthen, 2005, The American journal of psychiatry.

Association of single nucleotide polymorphisms in ATM, GSTP1, SOD2, TGFB1, XPD and XRCC1 with clinical and cellular radiosensitivity.

A. Ziegler, S. Szymczak, S. Wellek, 2010, Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology.

On easily interpretable multivariate reference regions of rectangular shape

S. Wellek, 2011, Biometrical journal. Biometrische Zeitschrift.

Verapamil versus hydrochlorothiazide in the treatment of hypertension: results of long term double blind comparative trial. Verapamil versus Diuretic (VERDI) Trial Research Group.

S. Wellek, T. Philipp, H. Holzgreve, 1989, BMJ.

Blood Flow Velocity Waveforms of the Umbilical Artery in a Normal Population: Reference Values from 18 Weeks to 42 Weeks of Gestation

S. Wellek, A. Puhl, F. Bahlmann, 2012, Ultraschall in der Medizin.

Nearly exact sample size calculation for powerful non‐randomized tests for differences between binomial proportions

S. Wellek, 2015 .

Exact linear rank tests for two‐sample equivalence problems with continuous data

A. Janssen, S. Wellek, 2010 .

A new approach to sample size calculation for reference interval studies

C. Jennen-Steinmetz, S. Wellek, 2005, Statistics in medicine.

A new approach to calculating the risk of chromosomal abnormalities with first-trimester screening data.

P Kozlowski, B Eiben, E Merz, 2008, Ultraschall in der Medizin.

Methodological Challenges in Psychedelic Drug Trials:Efficacy and Safety of Psilocybin in Treatment-Resistant Major Depression (EPIsoDE) – Rationale and Study Design

A. Ströhle, S. Wellek, G. Gründer, 2022, Neuroscience Applied.

Relationship between Cortisol and Serotonin Metabolites and Transporters in Alcolholism

Douglas W. Jones, D. Hommer, D. Weinberger, 2002 .

Normal Fetal Growth Profile at 10–41 Weeks of Gestation – An Update Based on 10225 Normal Singleton Pregnancies and Measurement of the Fetal Parameters Using 3D Ultrasound

S. Wellek, E. Merz, S. Pashaj, 2022, Ultraschall in der Medizin - European Journal of Ultrasound.

Three circadian clock genes Per2, Arntl, and Npas2 contribute to winter depression

T. Paunio, M. Rietschel, L. Peltonen, 2007, Annals of medicine.

Cochran-Armitage Test versus Logistic Regression in the Analysis of Genetic Association Studies

A. Ziegler, S. Wellek, 2011, Human Heredity.

Tests for Establishing Compatibility of an Observed Genotype Distribution with Hardy–Weinberg Equilibrium in the Case of a Biallelic Locus

S. Wellek, 2004, Biometrics.

Bayesian construction of an improved parametric test for probability-based individual bioequivalence

S. Wellek, 2000 .

Testing for noninferiority of binomial distributions referring to a modified equivalence region with piecewise linear boundary

S. Wellek, 2016 .

Implementing Panic-Focused Psychodynamic Psychotherapy into Clinical Practice

M. Beutel, M. Michal, S. Wellek, 2013, Canadian journal of psychiatry. Revue canadienne de psychiatrie.

Planning and Analysis of Trials Using a Stepped Wedge Design.

M. Blettner, S. Wellek, N. Donner‐Banzhoff, 2019, Deutsches Arzteblatt international.

S. Wellek, E. Merz, A. Oberstein, 2000, Ultraschall in der Medizin.

Searching for responders to acamprosate and naltrexone in alcoholism treatment: rationale and design of the PREDICT study.

A. Heinz, K. Mann, M. Smolka, 2009, Alcoholism, clinical and experimental research.

A comparison of region-of-interest measures for extracting whole brain data using survival analysis in alcoholism as an example

M. Fauth-Bühler, M. Smolka, D. Hermann, 2015, Journal of Neuroscience Methods.

Adjuvant vs. progression-triggered treatment with gemcitabine in platinum-ineligible high-risk bladder cancer patients: Long-term follow-up of a randomized phase 3 trial.

S. Wellek, F. von Rundstedt, S. Langbein, 2023, Urologic oncology.

A nonparametric model for product-limit estimation under right censoring and left truncation

Stefan Wellek, S. Wellek, 1990 .

Analysis of genetic variations of protein tyrosine kinase fyn and their association with alcohol dependence in two independent cohorts

D. Rujescu, I. Giegling, A. Poustka, 2003, Biological Psychiatry.

Biometry of the fetal corpus callosum by three‐dimensional ultrasound

S. Wellek, E. Merz, S. Pashaj, 2013, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

A U‐statistics based approach to sample size planning of two‐arm trials with discrete outcome criterion aiming to establish either superiority or noninferiority

S. Wellek, 2017, Statistics in Medicine.

On the use of asymptotic expansion in computing the null distribution of page's L-statistic

S. Wellek, 1989 .

A comment on so-called individual criteria of bioequivalence.

S Wellek, S. Wellek, 1997, Journal of biopharmaceutical statistics.

Epidemiology of hepatocellular carcinoma. Evaluation of viral and other risk factors in a low-endemic area for hepatitis B and C.

G. Gerken, S. Wellek, H. Dienes, 1994, Zeitschrift für Gastroenterologie - German Journal of Gastroenterology.

Reference Standards for Software Evaluation

J L Willems, S Wellek, J. Michaelis, 1990, Methods of Information in Medicine.

Multivariate Equivalence Tests for Use in Pharmaceutical Development

S. Wellek, T. Hoffelder, R. Gössl, 2015, Journal of biopharmaceutical statistics.

Testing for Absence of Qualitative Interactions Between Risk Factors and Treatment Effects

S. Wellek, 1997 .

[PREFERE - the German prostatic cancer study: questions and claims surrounding study initiation in January 2013].

M Kieser, S Wellek, P Martus, 2013, Der Urologe. Ausg. A.

US835 79__85

S. Wellek, A. Oberstein, E. Merz, 2000 .

Statistical confirmation of negative results of association studies in genetic epidemiology

S. Wellek, G. Schumann, 2004, American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics.

Establishing equivalence or non-inferiority in clinical trials: part 20 of a series on evaluation of scientific publications.

Maria Blettner, Stefan Wellek, M. Blettner, 2012, Deutsches Arzteblatt international.

Results of a double‐blind, placebo‐controlled pharmacotherapy trial in alcoholism conducted in Germany and comparison with the US COMBINE study

A. Heinz, A. Batra, K. Mann, 2013, Addiction biology.

P. Albers, M. Stöckle, T. Kälble, 2005, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

A Confidence‐Limit‐Based Approach to the Assessment of Hardy–Weinberg Equilibrium

A. Ziegler, S. Wellek, K. Goddard, 2010, Biometrical journal. Biometrische Zeitschrift.

On a reasonable disaggregate criterion of population bioequivalence admitting of resampling-free testing procedures.

S. Wellek, 2000, Statistics in medicine.