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Records
Methodological context for: Glaser EM, Hervey GR (1951). The prevention of seasickness with hyoscine, Benadryl and Phenergan. Lancet 2:749-753.
- Crossover tests (incl. n-of-1)
- Why comparisons are essential
- Allocation bias
- Differences between the people compared
- Observer bias
- Differences in the way treatment outcomes are assessed