Table 1 Search Strategy (Medline)

1

Pre-eclamp*.mp. or Pre-Eclamp*/

2

Preeclamp*.mp.

3

Tox?emia.mp. or Toxemia/

4

Gestosis.mp.

5

Hypertensive pregnancy disorder*.mp.

6

Cancer*.mp. or Neoplasms/

7

Neoplasm*.mp. or Neoplasms/

8

tumo?r*.mp.

9

Malignan*.mp.

10

Carcinoma/ or Carcinoma.mp.

11

Adenocarcinoma/ or Adenocarcinoma*.mp.

12

Adenosarcoma/ or Adenosarcoma.mp.

13

Carcinosarcoma/ or Carcinosarcoma*.mp.

14

Atypical hyperplasia.mp.

15

Hyperplasia with atypia.mp.

16

Intraepithelial neoplasia.mp.

17

Epidemiologic Studies/

18

exp Case-Control Studies/

19

exp Cohort Studies/

20

Case control.tw.

21

(cohort adj (study or studies)).tw.

22

Cohort analyS.tw.

23

(Follow up adj (study or studies)).tw.

24

(observational adj (study or studies)).tw.

25

Longitudinal.tw.

26

Restrospective.tw.

27

Cross sectional.t.w

28

1 or 2 or 3 or 4 or 5

29

6 or 7 or 8 or 9 or 10 or 11 or 12 or 13 or 14 or 15 or 16

30

17 or 18 or 19 or 20 or 21 or 22 or 23 or 24 or 25 or 26 or 27

31

28 and 29 and 30

32

Limit 31 to humans