Originalversjon
Cochrane Database of Systematic Reviews. 2017, 2017:CD007471 (12), 1-213.
10.1002/14651858.CD007471.pub3
Utgiver
Wiley
Tidsskrift
Cochrane Database of Systematic Reviews
Opphavsrett
Copyright © 2017 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.