Efficiency and contribution of strategies for finding randomized controlled trials: a case study from a systematic review on therapeutic interventions of chronic depression

• Main Authors: Annika Westphal (Author), Levente Kriston (Author), Lars P. Hölzel (Author), Martin Härter (Author), Alessa von Wolff (Author)
• Format: Book
• Published: SAGE Publishing, 2014-07-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

<em>Background</em>. Identifying all existing evidence is a crucial aspect in conducting systematic reviews. Since the retrieval of electronic database searches alone is limited, guidelines recommend the use of addi- tional search strategies. The aim of this investigation was to assess t...