| 1 |  Medline
Searchable database of several million medical/scientific journal articles. Online abstracts available. Tip - use "advanced search" option to refine search terms (e.g. cannabis AND glaucoma) including use of wildcard option (cannab* will also detect "cannabinoid" references e.g. cannabinoid, cannabidiol). Also try different options (e.g. marijuana/THC or LSD/Lyserg* etc) The ultimate search tool, abstracts available for most journals, excluding older titles. | 326 |
| 2 | Elsevier
Develops online information solutions that help professionals achieve better outcomes. We publish around 2,000 journals and close to 20,000 books and major reference works. | 359 |
| 3 | New Scientist
Reports, explores and interprets the results of human endeavor set in the context of society and culture. Now carries an archive of over 76,000 content pieces. | 364 |
| 4 | Sweet & Maxwell
Legal books, journals and information services. | 322 |
| 5 | Taylor and Francis
Scientific journal publishers | 348 |
| 6 | Routledge
Scientific journals - part of Taylor and Francis | 373 |
