Data Coverage
Total Documents332.2M332,228,385 Records
Patent Records141,666,28218 Jurisdictions
Non-Patent Literature190,562,10315 Document Types
Indexed Sources1,514,496Journals + Publishers
Document TypeCount
Book2,757,712
Book Chapter22,911,194
Dataset3,438,186
Dissertation1,898,528
Journal203,375
Journal Article134,770,064
Other1,850,775
Peer Review1,107,941
Posted Content5,803,228
Proceedings84,683
Proceedings Article10,337,361
Reference Entry879,994
Report1,428,101
Standard428,222
Supplementary Information2,662,739