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Carry-over biases in clinical pharmacology.
Cleophas TJ. Cleophas TJ. Eur J Clin Chem Clin Biochem. 1993 Dec;31(12):803-9. doi: 10.1515/cclm.1993.31.12.803. Eur J Clin Chem Clin Biochem. 1993. PMID: 8136412
Clinical trials: how to assess confounding and why so.
Cleophas TJ, Zwinderman AH. Cleophas TJ, et al. Curr Clin Pharmacol. 2007 May;2(2):129-33. doi: 10.2174/157488407780598162. Curr Clin Pharmacol. 2007. PMID: 18690860 Review.
Novel procedures for validating surrogate endpoints in clinical trials.
Cleophas TJ, Zwinderman AH, Chaib AH. Cleophas TJ, et al. Curr Clin Pharmacol. 2007 May;2(2):123-8. doi: 10.2174/157488407780598126. Curr Clin Pharmacol. 2007. PMID: 18690859 Review.
Clinical trials and p-values, beware of the extremes.
Cleophas TJ. Cleophas TJ. Clin Chem Lab Med. 2004 Mar;42(3):300-4. doi: 10.1515/CCLM.2004.054. Clin Chem Lab Med. 2004. PMID: 15080563
Clinical research: a novel approach to the analysis of repeated measures.
Cleophas TJ, Zwinderman AH, van Ouwerkerk B. Cleophas TJ, et al. Am J Ther. 2012 Jan;19(1):e1-7. doi: 10.1097/MJT.0b013e3181ed83b0. Am J Ther. 2012. PMID: 21048432 Clinical Trial.
Clinical Trials: Design Flaws Associated with Use of a Placebo.
Cleophas TJ. Cleophas TJ. Am J Ther. 1996 Jul;3(7):529-534. Am J Ther. 1996. PMID: 11862286
Fundamental Issues of Choosing the Right Type of Trial.
Cleophas TJ, Tavenier P. Cleophas TJ, et al. Am J Ther. 1994 Dec;1(4):327-332. doi: 10.1097/00045391-199412000-00013. Am J Ther. 1994. PMID: 11835107
Crossover studies with continuous variables: power analysis.
Cleophas TJ, Zwinderman AH. Cleophas TJ, et al. Am J Ther. 2002 Jan-Feb;9(1):69-73. doi: 10.1097/00045391-200201000-00011. Am J Ther. 2002. PMID: 11782821 Review.
Accuracy assessments of quantitative diagnostic tests for clinical research.
Atiqi R, van Iersel C, Cleophas TJ. Atiqi R, et al. Among authors: cleophas tj. Int J Clin Pharmacol Ther. 2009 Mar;47(3):153-8. doi: 10.5414/cpp47153. Int J Clin Pharmacol Ther. 2009. PMID: 19281723 Review.
Clinical trials: specific problems associated with the use of a placebo-control group.
Cleophas TJ. Cleophas TJ. J Mol Med (Berl). 1995 Aug;73(8):421-4. doi: 10.1007/BF00240142. J Mol Med (Berl). 1995. PMID: 8528745
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