Table 1

Search Results

Source
Search Strategy
Number of citations identified
Number of Potentially Relevant Studies
Study Label
Total number of Different studies identified

Electronic Data Base Search

MEDLINE
narrow
17
5
A, B, C, D, E
N = 12
EMBASE
narrow
55
5
A, B, C, H, O
N = 12
MEDLINE
broad
241
5
A, B, C, D, E
N = 12
Current Contents
broad
83
0

N = 12
HealthStar
broad
60
4
A, B, C, D
N = 12
Psychlit
broad
2
0

N = 12
Dissertation Abstracts
broad
1
0

N = 12
Cochrane
broad
10
10
A, B, C, D, F, G, H, I, J, K
N = 12

Reference List Search *




3
L, M
N = 2

Expert Correspondence and Pharmaceutical Company Contact *




1
N
N = 1

Total Number of Potentially Relevant Studies Identified
N = 15

* These totals are excluding those studies already identified via electronic searches

Campbell and Jacob BMC Neurology 2003 3:7   doi:10.1186/1471-2377-3-7