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Table 1 Search strategy for MEDLINE (MeSH, Medical Subject Headings)

From: Assisted reproductive technology and the risk of preeclampsia: an updated systematic review and meta-analysis

1 Preeclampsia [Text Word])
2 Pre-Eclampsia [Text Word])
3 “Pre-Eclampsia” [Text Word])
4 “Pre-Eclampsia” [MeSH Terms]
5 1 OR 2 OR 3 OR 4
6 Reproductive Techniques, Assisted [Text Word]
7 Reproductive Techniques, Assisted [MeSH Terms]
8 6 OR 7
9 Cohort Studies [Text Word]
10 Cohort Studies [MeSH Terms]
11 Retrospective Studies [Text Word]
12 Retrospective Studies [MeSH Terms]
13 Prospective Studies [Text Word]
14 Prospective Studies [MeSH Terms]
15 Case-Control Studies [Text Word]
16 Case-Control Studies [MeSH Terms]
17 9 OR 10 OR 11 OR 12 OR 13 OR 14 OR 15 OR 16
18 5 AND 8 AND 17