Reducing selection bias in case-control studies from rare disease registries
<p>Abstract</p> <p>Background</p> <p>In clinical research of rare diseases, where small patient numbers and disease heterogeneity limit study design options, registries are a valuable resource for demographic and outcome information. However, in contrast to prospective,...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2011-09-01
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| Series: | Orphanet Journal of Rare Diseases |
| Online Access: | http://www.ojrd.com/content/6/1/61 |