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Table 1 Example of search queries, Medline 1950 to July 2010 (Lunched on July 23rd 2010)

From: The effectiveness of scoliosis screening programs: methods for systematic review and expert panel recommendations formulation

Searches

Results

1. Scoliosis/

11886

2. Spinal Curvatures/

403

3. screen*.mp.

362323

4. depistage.mp.

3288

5. Mass Screening/

68020

6. Program Evaluation/

35624

7. Child/

1177573

8. Adolescent/

1361381

9. (prevalence* or incidence* or epidemiolog* or detection* or adams or moire or scoliometer*).ab,ti.

1163122

10. (back adj5 (asym?etry or asym?etrical)).ab,ti.

46

11. (forward adj5 (bend or bends or bending)).ab,ti.

361

12. scolio*.mp.

14190

13. 1 or 2 or 10 or 12

14495

14. 3 or 4 or 5 or 6 or 9 or 11

1471753

15. 7 or 8

1911903

16. 13 and 14 and 15

1247

17. 13 and 14

1714

18. limit 17 to "all child (0 to 18 years)"

1291

19. 16 or 18

1291

  1. Note: *=truncation symbol, ?=spelling variants, ab=abstract, ti=title, mp=abstract, title, author keywords and keywords plus, adj5=words in the same sentence.