Impact on mortality and cancer incidence rates of using random invitation from population registers for recruitment to trials
<p>Abstract</p> <p>Background</p> <p>Participants in trials evaluating preventive interventions such as screening are on average healthier than the general population. To decrease this 'healthy volunteer effect' (HVE) women were randomly invited from populatio...
Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2011-03-01
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Series: | Trials |
Online Access: | http://www.trialsjournal.com/content/12/1/61 |