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TableĀ 1 Strategy in searching PubMed and Web of Science

From: Anti-cancer effects of Gynostemma pentaphyllum (Thunb.) Makino (Jiaogulan)

Step Search terms Citations reviewed
PubMed Web of Science
1 Gynostemma pentaphyllum 280 314
2 Jiaogulan 284 22
3 Gypenoside 137 96
4 Constituents 58,058 137,552
5 Composition 328,924 780,071
6 Components 471,244 1,371,871
7 Tumor 3,285,652 983,570
8 Cancer 3,336,622 1,467,455
9 Carcinoma 797,702 521,059
10 1 or 2 or 3 322 364
11 4 or 5 or 6 821,820 2,163,770
12 7 or 8 or 9 3,699,522 2,049,723
13 10 and 11 66 109
14 10 and 12 81 83
15 13 or 14 130 162