The assessment of sample size in clinical trials comparing population means requires a variance estimate of the main efficacy variable. When this variance estimate has a low precision, it may be appropriate to use the data from the first patients entered in the trial ('internal pilot study') to esti
A pilot study of a method for assessing the reach capability of wheelchair users for safety belt design
β Scribed by Matthew P. Reed; Linda van Roosmalen
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 263 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0003-6870
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