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Table 1 Recall of Google scholar for the 29 systematic reviews

From: Is the coverage of google scholar enough to be used alone for systematic reviews

Source of the systematic review

Title of the systematic review

Number of databases searched by the authors

Number of studies included in the review

Number of studies found in Google Scholar

Cochrane Library

Antidepressants versus placebo for depression in primary care

8

14

14

Cochrane Library

Artemisinin-based combination therapy for treating uncomplicated malaria

6

49

49

Cochrane Library

Brief interventions for heavy alcohol users admitted to general hospital wards

5

11

11

Cochrane Library

Combined DTP-HBV-HIB vaccine versus separately administered DTP-HBV and HIB vaccines for primary prevention of diphtheria, tetanus, pertussis, hepatitis B and Haemophilusinfluenzae B (HIB)

3

18

18

Cochrane Library

Erythropoietin or Darbepoetin for patients with cancer--meta-analysis based on individual patient data

3

39

39

Cochrane Library

Green tea (Camellia sinensis) for the prevention of cancer

7

51

51

Cochrane Library

Incentive spirometry for prevention of postoperative pulmonary complications in upper abdominal surgery

5

11

11

Cochrane Library

Interventions to prevent occupational noise induced hearing loss

10

20

20

Cochrane Library

Non-pharmacological interventions for assisting the induction of anaesthesia in children

7

17

17

Cochrane Library

Oral iron supplementation for preventing or treating anaemia among children in malaria-endemic areas

5

68

68

Cochrane Library

Pharmacotherapy for anxiety disorders in children and adolescents

4

25

25

Cochrane Library

Single dose oral flurbiprofen for acute postoperative pain in adults

4

11

11

Cochrane Library

The effects of antimicrobial therapy on bacterial vaginosis in non-pregnant women

5

24

24

Cochrane Library

Therapeutic interventions for symptomatic treatment in Huntington’s disease

4

20

20

JAMA

Acute-onset floaters and flashes: is this patient at risk for retinal detachment?

2

17

17

JAMA

Adiponectin levels and risk of type 2 diabetes: a systematic review and meta-analysis

3

14

14

JAMA

Allogeneic stem cell transplantation for acute myeloid leukemia in first complete remission: systematic review and meta-analysis of prospective clinical trials

3

17

17

JAMA

Aspirin for the prevention of cardiovascular events in patients with peripheral artery disease: a meta-analysis of randomized trials.

4

15

15

JAMA

Bed bugs (Cimexlectularius) and clinical consequences of their bites.

2

49

49

JAMA

Cancer survivors and unemployment: a meta-analysis and meta-regression.

5

24

24

JAMA

Cardiorespiratory fitness as a quantitative predictor of all-cause mortality and cardiovascular events in healthy men and women: a meta-analysis.

2

32

32

JAMA

Combined corticosteroid and antiviral treatment for Bell palsy: a systematic review and meta-analysis.

6

17

17

JAMA

Corticosteroids in the treatment of severe sepsis and septic shock in adults: a systematic review

4

19

19

JAMA

Diagnostic performance of computed tomography angiography in peripheral arterial disease: a systematic review and meta-analysis

3

20

20

JAMA

Interaction between the serotonin transporter gene (5-HTTLPR), stressful life events, and risk of depression: a meta-analysis.

3

14

14

JAMA

Lipoprotein(a) concentration and the risk of coronary heart disease, stroke, and nonvascular mortality.

2

36

36

JAMA

Predictive value of factor V Leiden and Prothrombin G20210A in adults with venous thromboembolism and in family members of those with a mutation. A systematic review

5

46

46

JAMA

Sexual abuse and lifetime diagnosis of somatic disorders: a systematic review and meta-analysis

9

22

22

JAMA

Treatment of fibromyalgia syndrome with antidepressants: a meta-analysis.

6

18

18

Total

  

738

738 (100%)