Methacholine challenge tests: sample sizes required in crossover trials.

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Published in Int J Clin Pharmacol Ther on January 01, 2006

Authors

M Neuhäuser1, K H Jöckel

Author Affiliations

1: Institute for Medical Informatics, Biometry and Epidemiology, University Hospital Essen, Germany. markus.neuhaeuser@medizin.uni-essen.de

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Sample size calculations and methacholine challenge tests. Int J Clin Pharmacol Ther (2006) 0.75

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