September 11, 2021 article Open access A review found small variable blocking schemes may not protect against selection bias in randomized controlled trials Journal of Clinical Epidemiology DOI: 10.1016/j.jclinepi.2021.09.009 Full text (OA) OpenAlex Authors 0 Author list not loaded yet. Cited by 2 stored of 13 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access When randomization is not random: Allocation bias in small sample, group sequential randomized clinical trials 2026 Statistical Methods in Medical Research article Mathematics Statistical Methods in Clinical Trials Open access 1 citations Which Randomization Methods Are Used Most Frequently in Clinical Trials? Results of a Survey by the Randomization Working Group 2023 Statistics in Biopharmaceutical Research article Mathematics Statistical Methods in Clinical Trials Open access 8 citations 2 results References 0