©The Author(s) 2017.
World J Gastrointest Surg. May 27, 2017; 9(5): 127-138
Published online May 27, 2017. doi: 10.4240/wjgs.v9.i5.127
Published online May 27, 2017. doi: 10.4240/wjgs.v9.i5.127
Table 2 Document type distribution in four data-bases
| Document type | WoS | BIOSIS | MEDLINE | Scopus |
| Journal article | 870 | 700 | 1057 | 970 |
| Review | 63 | 38 | 118 | 114 |
| Congress proceedings | 57 | 6 | 1 | 39 |
| Meeting abstract | 543 | 313 | 0 | 0 |
| Editorial | 34 | 6 | 17 | 18 |
| Letter-to-the-editor | 37 | 9 | 28 | 32 |
| Book chapter | 6 | 9 | 0 | 8 |
| Evaluation study | 0 | 0 | 28 | 0 |
| Multicenter study | 0 | 0 | 19 | 0 |
| Randomized controlled trial | 0 | 0 | 15 | 0 |
| Meta-analysis | 0 | 0 | 13 | 0 |
| Validation study | 0 | 0 | 11 | 0 |
| Patent | 0 | 19 | 0 | 0 |
- Citation: Ivanov K, Donev I. International scientific communications in the field of colorectal tumour markers. World J Gastrointest Surg 2017; 9(5): 127-138
- URL: https://www.wjgnet.com/1948-9366/full/v9/i5/127.htm
- DOI: https://dx.doi.org/10.4240/wjgs.v9.i5.127