Reason for withdrawal from publication
This protocol for a Cochrane Review has been withdrawn as it is out of date. The editorial group responsible for this previously published document has withdrawn it from publication as the authors have abandoned it.
withdrawn
The editorial group responsible for this previously published document have withdrawn it from publication.
History
Protocol first published: Issue 2, 2007
| Date | Event | Description |
|---|---|---|
| 11 November 2008 | Amended | Converted to new review format. |
Sources of support
Internal sources
Aga Khan University Hospital, Departement of Medicine, Karachi, Pakistan
External sources
Cochrane Hepato‐Biliary Group, Copenhagen, Denmark
Withdrawn from publication for reasons stated in the review
