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Records
Methodological context for: Jansen H (1910). Behandling med Radiumemanation særlig ved gigtiske Lidelser. [Treatment with radium emanation especially with rheumatic diseases]. Ugeskrift for Læger 72:1333-48.
- Crossover tests (incl. n-of-1)
- Why comparisons are essential
- Observer bias
- Differences in the way treatment outcomes are assessed